Olga Simionescu, M.D., Ph.D.

2009-present	Professor of Dermatology, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy. 04/12/2023: H-index=12; FCIAP: 60.415 Total ISI publications: 40; Sum of the Times Cited: 615; Sum of Times Cited without self-citations: 594; Citing Articles: 528; Citing Articles without self-citations: 514; Average Citations per Item: 15.38;
2010-present	Chief of Dermatology I Department, Colentina Clinical Hospital, Bucharest, Romania
2011-present	PhD Coordinator, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy,  Abilitation thesis: The integrate, tailor made approach of dermatological patient: accuracy diagnosis and modern treatment in respect of molecular research.
2011-2016	Member of the National Romanian Council for Accreditation of University Degrees, Diplomas, and Certificates
2003-2009	Associate Professor of Dermatology, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy
2001-2003	Lecturer in Dermatology, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy
2001-2004	Medical Director of Nursing College, “Carol Davila” University of Medicine and Pharmacy
1999-2001	Assistant Professor of Dermatology, Faculty of Medicine, “Carol Davila” University of Medicine and Pharmacy;

• “Iuliu Hațieganu” Prize of the Romanian Academy for the best book (Atlas of Dermatology, 2001)
• “Levaditti” Prize of the Academy of Medical Sciences for the best book (Atlas of Dermatology, 2001)
• Romanian College of Physicians Award for the best book in the field of medical specialties (Atlas of Dermatology, 2001)
• Prize of the Romanian College of Physicians for the best book in the field of medical specialties (Atlas of Immunology, 2003)
• Two articles awarded in 2016: Research Results Award (articles) 2015 – HUMAN RESOURCES Program, direct link: http://uefiscdi.gov.ro/articole/4179/Pachet-de-informatii_Premierea-rezultatelor-cercetarii–articole_2015.html

• EPIDAR 59/2005 excellence research program (2005-2008), ranked 1st in at the award competition; Contracting Authority: “Carol Davila” University of Medicine and Pharmacy.
• Immunohistochemical and cytogenetic analysis of aggression-associated markers in cutaneous melanoma. Project PNCDI2 – Program 4, 2007, 41-056, 15.09.2007-15.09.2010. Carried out by Colentina Clinical Hospital.
• Genetic engineering of tumor stem cells in view of modulating the immune response in non-viral cancers ONCOSTEM Project no: 41-019.

Professional Memberships

• Romanian Society of Dermatology, SRD, since 1995
• Romanian College of Physicians, CMR, since 1995
• European Academy of Dermatology and Venereology, EADV, since 2003
• German Academy of Dermatology, GAD, since 2003
• American Academy of Dermatology, AAD, since 2006
• International Dermoscopy Society, IDS, since 2007; Tele-Dermoscopy diagnosis on IDS platform (2007-2009)
• International Society of Tele-dermatology, IST, since 2007

 

Organization Committees and meeting planning Chair/ Organizer

• International Dermoscopy Course “Skin Cancer”, Bucharest, March 2017
• Update in melanoma management, European School of Oncology, Bucharest, 2014
• Dermoscopy-closer to reality Conference, Bucharest, 2012
• Melanoma, a multidisciplinary approach Conference, Bucharest, 2007

Reviewer:
·  British Journal of Dermatology- ISI 6.129
·  JAAD case reports- ISI 5.004
·  Journal of Cellular and Molecular Medicine- ISI 5.310
·  Dermatology- ISI 2.387
·  Journal of the EADV- ISI 6.166
·  International Journal of Dermatology- ISI 2.736
·  Clinical and Experimental Dermatology- ISI 3.470
·  Medicine- ISI 1.889
·  Aging- ISI 4.831
·  Dermatology- ISI 5.366
·  Ultrasound- ISI 3.5

Associate Editor (2011-2014): Dermatologia.
Guest Editor (2022-2023): Biomedicines.

• 2023- Certification course skin Ultrasound Euroson Sonoderm, Cluj Napoca, Romania
• 2023 – Botulinum toxin training course (Advanced), Berlin, Germany
• 2019 – Botulinum toxin training course, Madrid, Spain
• 2019 – Training course laser treatments, Madrid, Spain
• 2019 – Sonoderm skin ultrasound certification course, Cluj Napoca, Romania
• 2014- Certification course International Investigator for clinical trials, Quintiles
• 2008 – Melanoma training course Nottingham, UK
• 2008- Dermoscopy course Graz, Austria
• 2008- Dermoscopy course Tel Aviv, Israel
• 2007- IMI Melanoma course Rome, Italy
• 1999, 2000, 2001- Traineeships in tropical dermatoses New Delhi, India (each 4 weeks)
• 2000- Laser surgery course Ministry of Health
• 1999- Course in Cutaneous surgery, “Carol Davila” University, Ministry of Health
• 1997- General Mycology course, UMF Carol Davila Bucharest
• 1996- Direct cutaneous immunofluorescence (DIF) Training, Tempus-Phare Project, Anger, France.

Private experience:
a. Medical Coordinator, Dermatology, teaching and tutoring- Laurus Medical network (2008-2013)
b. Owner and Founder TOP-DERM CLINICS (2003 until present)

Foreign languages: French-excellent, English-excellent, Italian- medium, German-begginer

1. Peer-Reviewed Manuscripts

A)  Web of Science Indexed Journals

1. Grigore M, Costache M, Simionescu O. Paraneoplastic Pemphigus Mimicking Pemphigus Vulgaris Associated With Castleman Disease. Cureus. 2023;15(3):e36114. Published 2023 Mar 14. doi:10.7759/cureus.36114 (FI=1.2)
2. Avram A, Scurtu LG, Costache M, Simionescu O. A Disguising Fast-Growing Metachronous Melanoma and COVID-19. Cureus. 2023;15(3):e36108. Published 2023 Mar 13. doi:10.7759/cureus.36108 (FI=1.2)
3. Scurtu L G, Costache M, Opriș-Belinski D, Simionescu O (September 27, 2022) Hypocomplementemic Urticarial Vasculitis Associated With Hashimoto’s Thyroiditis and Hepatitis B Virus Infection: A Case Report. Cureus 14(9): e29643. doi:10.7759/cureus.29643 (FI=1.2)
4. Scurtu LG, Petrica M, Grigore M, Avram A, Popescu I, Simionescu O. A Conservative Combined Laser Cryoimmunotherapy Treatment vs. Surgical Excision for Basal Cell Carcinoma. J Clin Med. 2022 Jun 15;11(12):3439. doi: 10.3390/jcm11123439. PMID: 35743507; PMCID: PMC9224731. (FI=3.9)
5. Scurtu LG, Jinga V, Simionescu O. Fascinating Molecular and Immune Escape Mechanisms in the Treatment of STIs (Syphilis, Gonorrhea, Chlamydia, and Herpes Simplex). Int J Mol Sci. 2022 Mar 24;23(7):3550. doi: 10.3390/ijms23073550. PMID: 35408911; PMCID: PMC8998805. (FI=5.6)
6. Scurtu LG, Simionescu O. Soluble Factors and Receptors Involved in Skin Innate Immunity-What Do We Know So Far? Biomedicines. 2021 Nov 29;9(12):1795. doi: 10.3390/biomedicines9121795. PMID: 34944611; PMCID: PMC8698371. (FI=4.757)
7. Grigore M, Furtunescu F, Minca D, Costache M, Garbe C, Simionescu O. The iris signal: blue periphery, tan collaret and freckles pattern – strong indicators for epidermal skin cancer in South-Eastern Europe. J Eur Acad Dermatol Venereol. 2018 Oct;32(10):1662-1667. (FCIAP 2002-2019=42.558)
8. Sârbu MI, Georgescu SR, Tampa M, Sârbu AE, Simionescu O. Biological therapies in psoriasis – revisited. Rom J Intern Med. 2018 Jun 1;56(2):75-84. Review.
9. Blum A, Siggs G, Marghoob AA, Kreusch J, Cabo H, Campos-do-Carmo G, Shiraishi AFC, Kienitz A, Maldonado-Seral C, Maltagliati-Holzner P, Mijuskovic ZP, Yoshimura AM, Moscarella E, Rabinovitz HS, Rodriguez-Garcia C, Saa SR, Rubegni P, Savoia F, Simionescu O, Diego PZ, Hofmann-Wellenhof R. Collision skin lesions-results of a multicenter study of the International Dermoscopy Society (IDS). Dermatol Pract Concept. 2017 Jul 31;7(4):51-62.
10. Manole CG, Simionescu O. The Cutaneous Telocytes.. Adv Exp Med Biol. 2016;913:303-323. Review.
11. David M, Gospodinov DK, Gheorghe N, Mateev GS, Rusinova MV, Hristakieva E, Solovastru LG, Patel RV, Giurcaneanu C, Hitova MC, Purcaru AI, Horia B, Tsingov II, Yankova RK, Kadurina MI, Ramon M, Rotaru M, Simionescu O, Benea V, Demerdjieva ZV, Cosgarea MR, Morariu HS, Michael Z, Cristodor P, Nica C, Silverman MH, Bristol DR, Harpaz Z, Farbstein M, Cohen S, Fishman P. Treatment of Plaque-Type Psoriasis With Oral CF101: Data from a Phase II/III Multicenter, Randomized, Controlled Trial. J Drugs Dermatol. 2016 Aug 1;15(8):931-8.
12. Simionescu O, Blum A, Grigore M, Avram A, Testori A: Learning from mistakes: errors in melanoma approach, the urgent need for updated national guidelines” Int J Dermatol. 2016 Sep;55(9):970-6
13. Costache M, Dumitru AV, Pătraşcu OM, Popa-Cherecheanu DA, Bădilă P, Miu JC, Procop A, Popa M, Tampa MŞ, Sajin M, Simionescu O, Cîrstoiu MM.. A challenging case of ocular melanoma Rom J Morphol Embryol.2015; 56: 817-22
14. Avram AM, Simionescu O, Costache M, Grigore M. Improving Melanoma Path Reports: the Importance of Histopathological Parameters in Diagnosis of Cutaneous Melanoma. Maedica (Buchar). 2015 Sep;10(3):226-230.
15. Manole CG, Gherghiceanu M, Simionescu O: Telocyte dynamics in psoriasis Journal of Cellular and Molecular Medicine 2015; Jul 19(7): 1504-19.
16. Cretoiu D, Gherghiceanu M Hummel E, Zimmermann H, Simionescu O, Popescu LM: FIB-SEM tomography of human skin telocytes and their extracellular vesicles Journal of Cellular and Molecular Medicine 2015 Apr; 19(4): 714-22
17. Costache M, Stoica A, Contolenco A, Costache D, Cirstoiu C, Simionescu O, George S: Metastatic melanoma in the femur-  Maedica (Buchar), 2014 Mar; 9(1);62-7
18. Sajin M, Luchian MC, Hodorogea Prisăcaru A, Dumitru A, Pătraşcu OM, Costache D, Dumitrescu D, Oproiu AM, Simionescu O, Costache M. Trichilemmal carcinoma – a rare cutaneous malignancy: report of two cases. Rom J Morphol Embryol. 2014;55
19. Costache M, Pătraşcu OM, Dumitru A, Costache D, Voinea LM,Simionescu O, Sajin M. Histopathological findings concerning ocular melanomas. Rom J Morphol Embryol. 2014;55(2 Suppl):649-53.
20. Costache M, Desa LT, Mitrache LE, Pătraşcu OM, Dumitru A, Costache D, Albu E, Sajin M, Simionescu O. Cutaneous verrucous carcinoma – report of three cases with review of literature. Rom J Morphol Embryol. 2014;55(2):383-8. Review.
21. Sajin M, Hodorogea Prisăcaru A, Luchian MC, Pătraşcu OM, Dumitru A, Costache D, Dumitrescu D, Vrînceanu D, Voinea LM, Simionescu O, Costache M. Acantholytic squamous cell carcinoma: pathological study of nine cases with review of literature. Rom J Morphol Embryol. 2014;55(2):279-83. Review.
22. Costache M, Patrascu OM, Adrian D, Costache D, Sajin M, Ungureanu E,Simionescu O. Ciliary body melanoma – a particularly rare type of ocular tumor. Case report and general considerations. Maedica (Buchar). 2013 Sep;8(4):360-4.
23. Blum A, Hofmann-Wellenhof R, Marghoob AA, Argenziano G, Cabo H, Carrera C, Costa Soares de Sá B, Ehrsam E, González R, Malvehy J, Manganoni AM, Puig S, Simionescu O, Tanaka M, Thomas L, Tromme I, Zalaudek I, Kittler H. Recurrent melanocytic nevi and melanomas in dermoscopy: results of a multicenter study of the International Dermoscopy Society. JAMA Dermatol. 2014 Feb;150(2):138-45. doi: 10.1001/jamadermatol.2013.6908.
24. , Patrascu, OM (Patrascu, O. M.) Sajin, M (Sajin, M.) Dumitru, A (Dumitru, A.) Ciornenchi, O (Ciornenchi, O.) Calu, A (Calu, A.) Simionescu, O (Simionescu, O.) Costache, M (Costache, M.). Buschke-Loewenstein disease in a 27 year old male. Virchows Archives, 2014; 465(1):S185-S185.
25. Blum A, Kittler H, Zalaudek I, Simionescu O, Marghoob AA, Hofmann-Wellenhof R, Argenziano G, Soyer HP. Unclear clinical change on the glans penis leads to different dermoscopic diagnoses. Hautarzt. 2013 Oct;64(10):768-9. doi: 10.1007/s00105-013-2664-4.
26. Menzies SW, Moloney FJ, Byth K, Avramidis M, Argenziano G, Zalaudek I, Braun RP, Malvehy J, Puig S, Rabinovitz HS, Oliviero M, Cabo H, Bono R, Pizzichetta MA, Claeson M, Gaffney DC, Soyer HP, Stanganelli I, Scolyer RA, Guitera P, Kelly J, McCurdy O, Llambrich A, Marghoob AA, Zaballos P, Kirchesch HM, Piccolo D, Bowling J, Thomas L, Terstappen K, Tanaka M, Pellacani G, Pagnanelli G, Ghigliotti G, Ortega BC, Crafter G, Ortiz AM, Tromme I, Karaarslan IK, Ozdemir F, Tam A, Landi C, Norton P, Kaçar N, Rudnicka L, Slowinska M, Simionescu O, Di Stefani A, Coates E, Kreusch J. Dermoscopic evaluation of nodular melanoma. JAMA Dermatol. 2013 Jun;149(6):699-709.
27. Ceafalan L, Gherghiceanu M, Popescu LM, Simionescu O. Telocytes in human skin–are they involved in skin regeneration? J Cell Mol Med. 2012 Jul;16(7):1405-20.
28. Simionescu O, Popescu BO, Costache M, Manole E, Spulber S, Gherghiceanu M, Blum A. Apoptosis in seborrheic keratoses: an open door to a new dermoscopic score. J Cell Mol Med. 2012 Jun;16(6):1223-31.
29. Andreas Blum, Olga Simionescu: Mucosal Lesions in Atlas of Dermoscopy, ed. Asfhaq A.Marghoob, Ralph P. Braun, Alfred W.  Kopf, Taylor and Francis Group, 2012.
30. Blum A, Simionescu O, Argenziano G, Braun R, Cabo H, Eichhorn A, Kirchesch H, Malvehy J, Marghoob AA, Puig S, Ozdemir F, Stolz W, Tromme I, Weigert U, Wolf IH, Zalaudek I, Kittler H. Dermoscopy of pigmented lesions of the mucosa and the mucocutaneous junction: results of a multicenter study by the International Dermoscopy Society (IDS). Arch Dermatol. 2011 Oct;147(10):1181-7.
31. Costache M, Neagu M, Petrescu A, Constantin C, Manda G, Vrabie CD, Waller M, Petrescu CS, Simionescu O. Statistical correlations between peripheral blood lymphocyte subpopulations and tumor inflammatory infiltrate in stage I of skin melanoma. Rom J Morphol Embryol. 2010
32. Costache M, Ene AM, Simionescu O, Sajin M. Histopathological diagnosis of cutaneous vascular sarcomas Rom J Morphol Embryol. 2010;51(1):105-9. Review.
33. Olga Simionescu, Doina Dumitrescu, Mariana Costache, Andreas Blum – Dermatoscopy of an invasive melanoma on the upper lip shows possible association with Laugier-Hunziker syndrome, Journal of the American Academy of Dermatology (blue journal), 59, suppl 5, S: 105-8 november 2008, Indexat Medline.
34. Mariana Costache, Olga Simionescu, Maria Sajin et al. : Apoptosis in cutaneous melanoma, Rom J Morphol Embriol 2007; 48(4): 343-7.
35. Mariana Costache, Olga Simionescu, Maria Sajin, Alina Chefan: Cutaneous metastases carcinoma. Case report and pathological considerations, Rom J Morphol Embriol 2007; 48(2): 177-4, Indexat Medline, CNCSIS A,
36.  Olga Simionescu, Mariana Costache, Alessandro Testori- Cutaneous melanoma: digital    dermoscopy-  essential tool for positive diagnosis- Journal of Cellular and Molecular Medicine vol.10, no.4, October-December 2006, pg. 991-994, ISSN 1582-1838, Indexat Medline
37. Eugen Radu, Olga Simionescu, Teodor Regalia, Doina Dumitrescu, Laurentiu M Popescu: Stem cells (p63+) in keratinocyte cultures from human adult skin, Journal of Cellular and Molecular Medicine, vol. 6, no 4, October-december 2002, pg. 593-598, Indexat Medline

B) PubMed/ MedLine/ ISSN Indexed Journals

1. Simionescu O, Grigore M, Furtunescu F, Minca D, Chitu V, Costache M. A Novel Iris Colour Classification Scale”.  Annual Research and Review in Biology, 2014;4(15):2525-34. BDI,  ISSN 2347565X
2. Mariana Costache, Olga Simionescu, Maria Sajin – Markerii imunohistochimici în patologia tumorală melanocitară cutanată; Dermatovenerologie, vol. 52, nr. 1, 2007, pg. 49,  CNCSIS B, ISSN 1220-3734
3. Mariana Costache, Olga Simionescu, Maria Sajin, Gabriel Becheanu: Semnificatia prognosticului KI-67, P-53 si BCL-2 in melanomul malign cutanat, Dermatovenerol. (Buc), 51: 269-275, 2006,  CNCSIS B, ISSN 1220-3734
4. Mariana Costache, Olga Simionescu, Maria Sajin, G. Becheanu – Morfologia celulelor in melanomul malign cutanat; Dermatovenerologie, vol. 51, nr. 4, 2006, pg. 263, CNCSIS B, ISSN 1220-3734 
5. Mariana Costache, Olga Simionescu, Maria Sajin, G. Becheanu, Ana Maria Ene –Molecular factors in cutaneous malignant melanomas agressivity; Annals of Fundeni Hospital, vol 11, no. 3 – 4, July-December 2006, pg.67, ISSN 1224-3450
6. Mariana Costache, Olga Simionescu, Ana-Maria Ene, G. Becheanu – Cutaneous sarcomas-histopathological and imunohistochemical study; Annals of Fundeni Hospital, vol 11, no. 1 – 2, January-June 2006, pg.12, ISSN 1224-3450
7. D.Marian, Olga Simionescu, Prof.Dr.D.Forsea, S.Tiplica, H.Beti, P.Trifu, Mariana Costache – Despre cornul cutanat – Revista de Dermato-Venerologie vol XLVI nr. 1/2001 , pag.61, ISSN 1220-3734
8. Olga Simionescu, Mariana Costache, Smaranda Iosif – Introducere în fiziologia, histopatologia şi clinica tulburărilor de keratinizare; Revista de Dermato-Venerologie vol XLV nr. 2/2000, pag.143-154 CNCSIS B,   ISSN 1220-3734
9. Olga Simionescu, Dan Forsea: Eficienta si siguranta tratamentului cu Kestine (Ebastina) in urticaria acuta si cronica: Terapeutica farmacologie si toxicologie clinica, vol. III nr. IV, decembrie 1999, CNCSIS B+, pISSN 1583-0012
10. D.Forsea, P.Trifu, Olga Simionescu, Mariana Costache – Hidradenom plantar cu celule clare – Revista de Dermato-Venerologie,vol LXIII nr.1 /1996, pag 41 CNCSIS Lista B, ISSN 1220-3734
11. Dan Forsea, Olga Simionescu: Utilizarea Metotrexatului in dermatologie- concepte curente: Revista de Dermato-Venerologie,vol LXIII nr.1 /1996, pag 20-5, CNCSIS Lista B, ISSN 1220-3734

2. Editorials, book chapters

1. „Dermoscopy of mucosal lesions”, Up-To-Date, Andreas Blum, Olga Simionescu, Giuseppe Argenziano (2014-present).
2. Olga Simionescu, Catalin Manole: Cutaneous telocytes, in „Telocyte: connecting cells”, red. Xiandong Wang, ed. Springer-Beijing, 2016, ISBN 978-981-10-1061-3.
3. Ioana Tiu, Anca Simionescu, Olga Simionescu: Cancerul cutanat in sarcina, in Cancerul si sarcina, red. Anca Simionescu, Ed. Medicala 2014.
4. Andreas Blum, Olga Simionescu: Mucosal Lesions in Atlas of Dermoscopy, ed. Asfhaq A.Marghoob, Ralph P. Braun, Alfred W.  Kopf, Taylor and Francis Group, 2012.
5. Olga Simionescu, Alessandro Testori, Irinel Popescu: Melanomul (cap. 21) in Tratat de chirurgie, vol. VIII, partea I B,  red. Irinel Popescu, Editura Academiei Romane, Bucuresti, 2008, ISBN 978-973-27-1679-3, pag. 569-589.
6. Olga Simionescu in Dictionar de Imunologie Medicala, redactia Dorel L. Radu, ed. A 2-a, Editura Universitara „Carol Davila”, Bucuresti. 2002, ISSN 973-8047-84-6
7. Olga Simionescu, Monica Nicolaescu, Mariana Costache, Daniela Nestor, Ana-Maria     Forsea: Dicţionar de Dermatologie, Editura Universitară „Carol Davila”, 456 pag,  Bucureşti 2003, ISBN 973-7918-20-7..
8. Laurentiu M Popescu, Cornel Ursaciuc, Dorel L Radu, Olga Simionescu, Eugen Radu, Alexandru Bancu, Dan Andronescu: Dictionar de Imunologie Medicala, 544 pages, 2000 terms, 282 figures, 145 tables, Editura Universitara „Carol Davila”, Bucuresti, 2002, ISBN 973 8047 84 6.
9. Olga Simionescu, Dan Forsea: Atlas de Dermato-Venerologie, 483 pages, 682 images , Editura Universitara „Carol Davila”, Bucuresti, 2001, ISBN 973-8047-29-3.

3. Interviews

https://www.youtube.com/@top-dermclinics9748

https://www.youtube.com/watch?v=w_dHdVwT56E

https://www.youtube.com/watch?v=s_LIJCrAQdY

https://www.youtube.com/watch?v=m8T-H_sGJFg

https://www.youtube.com/watch?v=KE023BxBvEY

4. Invited lectures

1. Simionescu, Olga. Special localisation patterns in dermoscopy- why is it so frightening? Euroson School “Sonoderm” 2023, Cluj-Napoca.
2. Simionescu, Olga. Manifestari dermatologice in Axa Neuro-Imuno-Cutanata. Stres, Anxietate, Depresie (SAD) editia XIV, Webinar, 2022.
3. Simionescu, Olga. “ Mecanisme de escape immunologic si molecular in ITS-uri” Zilele ”Gheorghe Nastase” 2022, Iasi.
4. Simionescu, Olga. ”Abordarea tailor-made in cazuri dificile”. Clubul Regal 2021, Bucuresti.
5. Simionescu Olga. ” ”Conceptul de dermato-reumatologie” – abordarea ”tailor-made” in cazuri dificile -, Zilele ”Gheorghe Nastase” 2021, Iasi.
6. Simionescu, Olga. ”Imagini dermatoscopice la prima vedere”. Actualitati in dermatologie- Clubul Regal al Medicilor 2020.
7. Simionescu, Olga. ”Cazuri provocatoare in dermatologie”. Actualitati in dermatologie- Clubul Regal al Medicilor 2020.
8. Simionescu, Olga. ”Ghidul calauzitor in melanomul cutanat pentru 2020”. Zilele Dermatologiei la Sibiu 2020.
9. Simionescu, Olga. Psoriazisul, mai mult decat o boala a pielii. Winnovation. Sibiu 2019.
10. Simionescu Olga. State of the art in cancerul de piele – ce stim in 2019?, in cadrul Sesiunii Dermatologie – Conferinta Colegiului Medicilor Din Municipiul Bucuresti, Editia a VIIa, Bucuresti, Martie 2019
11. Simionescu Olga. “Dermatoscopia – provocari in diagnosticul cancerelor cutanate” / “Dermoscopy – challenges in skin cancer diagnosis”. Congresul UMF „Carol Davila”, Editia a 5-a, Mai 2017, Bucuresti.
12. Mariana Costache, Olga Simionescu, Ana Maria Ene, Maria Sajin – Kaposi’s sarcoma – histopathological and imunohistochemical study; 1^st Conference in new perspectives in cancer pathology with international participation, Bucureşti 24-27 mai 2007
13. Dan Forsea, Sorin Tiplica, Doina Tabacila, Olga Simionescu, Daniela Nestor: tratamentul cu Elocom in dermatita iritativa de contact, Conferinta Nationala de Dermatologie, Cluj-Napoca, noiembrie 2007
14. Mariana Costache, Elena Tianu, Olga Simionescu, Maria Sajin, Dorin Marian –Probleme de diagnostic diferenţial într-un caz de tumoră cutanată de părţi moi cu localizare presternală; Al II-lea Simpozion Naţional de Patologie, Sesiunea Jubiliară a Institutului Naţional „Victor Babeş” 3-5 noiembrie 2004, Bucureşti
15. Mariana Costache, Elena Tianu, Olga Simionescu, Maria Sajin- Histologia nevului Spitz; Al II-lea Simpozion Naţional de Patologie , Sesiunea Jubiliară a Institutului Naţional „Victor Babeş” 3-5 noiembrie 2004, Bucureşti
16. Mariana Costache, P. Trifu, Olga Simionescu – Histologia nevilor albaştri; Sesiunea Ştiinţifică Anuală a Institutului Naţional „V. Babeş”, Bucureşti, 5-7 noiembrie 2003
17. Mariana Costache, Paul Trifu, Olga Simionescu: histologia nevilor albastri, sesiunea stiintifica a Institutului National Victor Babes, noiembrie 2003
18. Mariana Costache, Olga Simionescu, P. Trifu, H. Beţi – Actinomicoza cutanată; Sesiunea Ştiinţifică Anuală a Institutului Naţional „V. Babeş”, Bucureşti, 6-8 noiembrie 2002
19. Mariana Costache, Olga Simionescu, Paul Trifu, Horia Beti: Actinomicoza cutanata; Simpozionul National de Patologie, Seminarul Franco-Roman de patologie, noiembrie 2002, Sesiunea Anuala a Institutului National  „Victor Babes” cu participare internationala
20. Mariana Costache, P. Trifu, Olga Simionescu, Diana Plăcintescu – Tumori anexiale multiple dezvoltate într-un nev sebaceu Jadassohn; Al XXXII-lea Simpozion Naţional de Morfologie Normală şi Patologică, Bucureşti, 7-9 noiembrie 2001
21. D.Marian, Olga Simionescu, D.Forsea, S.Ţiplica, H.Beţi, P.Trifu, Mariana Costache – Despre cornul cutanat – Societatea Română de Dermatologie, 30.01.2001
22. Carmen Simionescu, Mariana Costache, Olga Simionescu, Sanda Marta Popescu – Pemfigus herpetiform – Societatea Română de Dermatologie, 27.02.2001
23. D.Marian, Olga Simionescu, H.Beti, Mariana Costache, P.Trifu, I. Nedelcu, I.Toropoc, D.Costache – Particularitati de evolutie ale melanomului malign –2 cazuri; Societatea Română de Dermatologie, 27.03.2001
24. Carmen Simionescu, Mariana Costache, Olga Simionescu, Sanda Marta Popescu – Dermatita herpetiforma si leucemie limfatica cronica – Societatea Română de Dermatologie, 27.03.2001
25. Olga Simionescu, Mariana Costache, P.Trifu, D.Forsea – Alterări ale stratului cornos şi epidermului – Asociaţia Română Medicală – Secţia de Morfopatologie, 30.05.2000
26. Mariana Costache, P.Trifu, D.Forsea, Olga Simionescu, Daniela Nestor – Metastaze cutanate de melanom malign – Al VII-lea Congres Naţional de Dermatologie cu participare internaţională, Bucureşti, 15-18 sept 1999
27. Doina Tabacila, Oana Jinga, Olga Simionescu, Ioana Andronescu, Sorin Tiplica, Mihaela Nica, Dan Forsea: tratamentul cu dapsona in boala Kaposi, Al VII-lea Congres National de Dermatologie cu participare Internationala: Septembrie 1999
28. Ioana Andronescu, Paul Trifu, Olga Simionescu, Mariana Costache, Dan Forsea: Probleme de diagnostic diferential in boala paget a sanului Al VII-lea Congres National de Dermatologie cu participare Internationala: Septembrie 1999
29. Dan Forsea, Olga Simionescu, Paul Trifu, Daniela Nestor: Boala Paget extramamara: probleme de diagnostic diferential cu alte neoplazii perianale Al VII-lea Congres National de Dermatologie cu participare Internationala: Septembrie 1999
30. Dan Forsea, Paul Trifu, Olga Simionescu, Mariana Costache, Sorin Tiplica, Ana-Maria Forsea:   Pseudolimfoame cutanate, Al VII-lea Congres National de Dermatologie cu participare Internationala: Septembrie 1999
31. Olga Simionescu, Daniela Nestor, Elena Gheorghe, Mariana Costache, Dan Forsea: valoarea IFD in diagnosticul dermatologic Al VII-lea Congres National de Dermatologie cu participare Internationala: Septembrie 1999
32. Olga Simionescu, Cristiana Iosef, Cezar Tigaret, Cristina Stanciou, Valentin Cealacu, dan Forsea, Laurentiu M. Popescu: Modificari morfologice, citochimice si imunologice in agresiunea actinica cutanata la om Al VII-lea Congres National de Dermatologie cu participare Internationala: Septembrie 1999
33. D.Forsea, P.Trifu, Mariana Costache, Olga Simionescu, Ş.Ţiplica, Ana Maria Forsea; Pseodolimfoame cutanate – Al VII-lea Congres Naţional de Dermatologie cu participare, Internaţională, Bucureşti, 15-18 sept 1999
34. Mariana Costache, P.Trifu, D.Forsea, Olga Simionescu, Daniela Nestor – Forme rare de melanoame maligne cutanate – Al VII-lea Congres Naţional de Dermatologie cu participare internaţională, Bucureşti 15-18 sept 1999
35. Ioana Andronescu, P.Trifu, Mariana Costache, Olga Simionescu, Dan Forsea – Probleme de diagnostic diferenţial în boala Paget a sânului – Al VII-lea Congres Naţional de Dermatologie cu participare internaţională, Bucureşti 15-18 sept 1999 pag. 161
36. Dan Forsea , Olga Simionescu, P.Trifu , Daniela Nestor , Mariana Costache – Boala Paget extramamară – Societatea de Dermatologie,27.04.1999
37. Mariana Costache, P.Trifu, D.Forsea, Olga Simionescu – Tumori rar întâlnite în practica dermatologică – Societatea Medicală Română ; Secţia de Morfopatologie – 25 mai 1999
38. Laurentiu M. Popescu, Olga Simionescu, Dan Forsea: Impactul radiatiilor ultraviolete asupra histologiei moleculare a pielii, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
39. Cristina Iosef, Olga Simionescu, Cristina Stanciu et al.: Biologia moleculara a tegumentului uman agresat actinic NF-kB, CD 4/8, CD 15/33, IF si IL-2, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
40. Cristiana Iosef, Olga Simionescu, Cristina Stanciu et al:  Apoptoza in agresiunea actinica, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
41. Mariana Mazilu, Olga Simionescu, Dan Forsea: Rolul fotoprotector al melaninei, revaluari, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
42. Olga Simionescu, Dan Forsea: Fototipuri cutanate, criterii de incadrare, Conferinţa Naţională de Dermatologie – Neptun  septembrie 1998
43. Mariana Costache, Olga Simionescu, Sorin Tiplica, dan Forsea: degenerescenta actinica bazofila- marker histo-patologic al agresiunii cumulative actinice. Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
44. Sorin Tiplica, Carmen Salavastru, Olga Simionescu, Dan Forsea: fotosensibilizarea, fotoalergia si fototoxicitatea, Conferinţa Naţională de Dermatologie – Neptun  septembrie 1998.
45. Dan Forsea, Daniela Nestor, Olga Simionescu, Sorin Tiplica: Tratamentul cu retinoizi, PUVA si RE-PUVA in micozisul fungoid. Conferinţa Naţională de Dermatologie – Neptun  septembrie 1998.
46. Angela Bungardeanu, Olga Simionescu, Dan Forsea et al: porokeratoza actinica diseminata si lentiginoza profuza, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
47. Mariana Costache, P.Trifu, Olga Simionescu, S.Ţiplica, Daniela Nestor – Algoritm de investigaţie în fotodermatoze – Conferinţa Naţională de Dermatologie – Neptun,septembrie 1998
48. Angela Bungărdeanu,D.Forsea, Olga Simionescu, P.Trifu, Daniela Nestor, Mariana Costache-      Porokeratoza actinică diseminată şi lentiginoza profundă: studiu clinic, histopatologic, imunohistochimic şi electronomicroscopic – Conferinţa Naţională de Dermatologie – Neptun septembrie 1998, (abstract pag 26)
49. Mariana Costache, Olga Simionescu, S.Ţiplica, D.Forsea – Studiu comparativ al pielii îmbătrânite cronologic cu “bătrâneţea fotoindusă” – Conferinţa Naţională de Dermatologie – Neptun septembrie 1998 , (abstract pag 12)
50. Sorin Tiplica, Daniela Nestor, Olga Simionescu et al: Halcinonid in tratamentul psoriazisului vulgar, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
51. Mariana Costache, Olga Simionescu, P. Trifu, Dan Forsea, Daniela Nestor – Nevi nevocelulari cu aspect histopatologic particular – Sesiunea Anuală de Anatomie Patologică a Institutului “Victor Babeş”, 1998 (abstract pag.75)
52. Mariana Costache, P.Trifu, D.Forsea, P.Nicolescu, Olga Simionescu – Melanoame maligne cu  aspect histopatologic particular – Sesiunea Anuală de Anatomie Patologică a Institutului “Victor Babeş”, 1998 (abstract  pag.75)
53. Mariana Costache, P.Trifu, D.Forsea, Olga Simionescu – metastaze cutanate în melanomul malign cutanat – Sesiunea Anuală de Anatomie Patologică a Institutului “Victor Babeş”, 1998 (abstract pag.80)
54. Dan Forsea, Sorin Tiplica, Yolanda Copelovici, Olga Simonescu et al.: valaciclovirul in tratamentul antiviral. Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
55. Daniela Nestor, Dan Forsea, Olga Simionescu: Tratamentul cu interferon in crioglobulinemiile mixte din infectia cu virus hepatitic C, Conferinţa Naţională de Dermatologie – Neptun sept. 1998
56. Olga Simionescu, Dan Forsea, Sorin Tiplica, Daniela Nestor: Modificari cutanate consecutive agresiunii actinice, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
57. Paul Trifu, Olga Simionescu, Mariana Costache et al: Algoritm de investigatie in fotodermatoze, Conferinţa Naţională de Dermatologie – Neptun septembrie 1998
58. Daniela Nestor, Carmen Salavastru, Olga Simionescu et al: Kerasal unguent in tratamentul de intretinere al eczemei cronice, Conferinţa Naţională de Dermatologie – Neptun,  septembrie 1998
59. Dan Forsea, Daniela Nestor, Olga Simionescu: Cutivate- Fluticason in tratamentul unor afectiuni dermatologice, Simpozion Glaxo-Wellcome, Conferinta Nationala de dermatologie, Cluj-Napoca, nopimebrie 1997
60. Dan Forsea, Olga Simionescu, Daniela Nestor, Asia Hassan: Tuberculoza in actualitate, Conferinta Nationala de dermatologie, Cluj-Napoca, noiembrie 1997
61. Dan Forsea, Rozalia Olsavsky, Doina Tabacila, Sorin Tiplica, Olga Simionescu et al: Diprogenta in tratamentul dermatitei de contact, Conferinta Nationala de dermatologie, Cluj-Napoca, nopimebrie 1997
62. Dan Forsea, Sorin Tiplica, Doina Tabacila, Olga Simionescu, Daniela Nestor: Tratamentul cu elocom in dermatita iritativa de contact: Conferinta Nationala de Dermatologie, Cluj-napoca, 1997
63. Dan Forsea, Olga Simionescu, Sorin Tiplica et al: manifestari cutanate in sarcoidoza, Conferinta Nationala de Dermatologie, Tg Jiu, 1996
64. Dan Forsea, Oana Dumitrescu, Olga Simionescu et al: Boala Behcet-manifestari cutanate, Conferinta Nationala de Dermatologie, Tg Jiu, 1996
65. Dan Forsea, Sorin Tiplica, Catalin Popescu, Raluca Popescu, Olga Simionescu, Daniela Nestor: Bethamethazon dipropionat si acid salicilic (Diprosalic Schering-Plough) in dermatozele eritemato-scuamoase, Conferinţa Naţională de Dermatologie, mai 1996 Tg.Jiu (abstract pag 24)
66. Dan Forsea, Daniela Nestor, Sorin Tiplica, Olga Simionescu et al: Acitretin (Neotigason) in tratamentul unor maladii cutanate cu exceptia psoriazisului (nota preliminara); Conferinţa Naţională de Dermatologie ,mai 1996 Tg.Jiu (abstract pag 24)
67. Dan Forsea, Sorin Tiplcia, Olga Simionescu et al: Metilprednisolon aceponat (Advantan schering) in dermatita de contact. Conferinţa Naţională de Dermatologie, mai 1996 Tg.Jiu (abstract pag 24)
68. Dan Forsea, Olga Simionescu, P.Trifu, Gloria Bolchiş, Mariana Costache – Pitiriasis lichenoides sistemic – Conferinţa Naţională de Dermatologie – Mai 1996 Tg.Jiu (abstract pag 23)
69. Dan Forsea, Sorin Tiplica, Olga Simionescu, Daniela Nestor, Simona Cek: Manifestari cutanate al diabetici Conferinţa Naţională de Dermatologie – Mai 1996 Tg.Jiu (abstract pag 76)
70. D.Forsea, P.Trifu, Daniela Nestor, Olga Simionescu, S.Ţiplica, Mariana Costache – Nev Reed – în legătura cu un caz – Societatea de  Dermatologie, 1996, noiembrie
71.  D.Forsea, P.Trifu, Olga Simionescu, S.Ţiplica, Mariana Costache – Hidradenom plantar –  Societatea de Dermatologie, 1996, aprilie
72. D. Forsea, P.Trifu, Olga Simionescu, S.Ţiplica, Raluca Popescu, C.Popescu, Daniela Nestor, Alina      Drăghici, Mariana Costache – Manifestări cutanate în sarcoidoză – Conferinţa Naţională de Dermatologie, mai 1996 Tg.Jiu (abstract pag 24)
73. Dan Forsea, Sorin Tiplica, Catalin Popescu, Raluca Popescu, Olga Simionescu, Daniela Nestor: Elocom in tratamentul unor dermatoze inflamatorii-alergice: mai 1996 Tg.Jiu (abstract pag 130)
74. Dan Forsea, Oana Dumitrescu, Olga Simionescu, Daniela Nestor, S.Ţiplica, P.Trifu, Mariana Costache – Boala Behcet – manifestări cutanate – Conferinţa Naţională de Dermatologie , mai 1996 Tg.Jiu (abstract pag 130)
75. D. Forsea, P. Trifu, S. Ţiplica, Olga Simionescu, Mariana Costache – Granulom piogenic gigant-      probleme de diagnostic – Societatea de Dermatologie, 1996, aprilie

D.Forsea, P.Trifu, Olga Simionescu, Mariana Costache – Sarcoidoza – Societatea de  Dermatologie, 1996,   ianuarie

5. Abstracts

1. „A giant vulvar lymphangiomatous tumor after radiotherapy”. Scurtu G.L., Costache M, Vladulescu D, Simionescu O. 32nd European Academy of Dermatology and Venereology Congress, Berlin, Octombrie 2023 (e-Poster)
2. „Overlap syndrome with skin involvement”. Vladulescu D, Scurtu G.L., Costache M, Simionescu O. 32nd European Academy of Dermatology and Venereology Congress, Berlin, Octombrie 2023 (e-Poster).
3.  „Getting back on track in the skin cancer management failure”. Simionescu O, Grigore M, Costache M. 28th European Academy of Dermatology and Venereology Congress, Madrid, Octombrie 2019, ISSN 978-88-942552-9-4
4. „A peculiar case of mild diffuse hair loss as the only clinical sign in chronic mercury overload form old amalgam dental fillings”. Grigore M, Costache M, Simionescu O. 28th European Academy of Dermatology and Venereology Congress, Madrid, Octombrie 2019, ISSN 978-88-942552-9-4
5.  „Plaque-Like Atypical Fibroxanthoma – an unusual case report”. Barsevschi M, Simionescu O, Grigore M, Matei A, Coiman C. 28th European Academy of Dermatology and Venereology Congress, Madrid, Octombrie 2019, ISSN 978-88-942552-9-4
6. „Adalimumab versus metotrexat la pacientii cu psoriazis vulgar”. Sarbu MI, Simionescu O, Mitran CI, Mitran MI, Tampa M, Georgescu SG. Al 18lea Congres National de Dermatologie, Sinaia, Septembrie 2019. ISSN 1220-3734
7. „Abordarea non-chirurgicala in terapia carcinomului bazocelular.” Grigore M, Costache M, Simionescu O. Conferinta de Dermatologie „Zilele Gh Nastase” Editia a 25a, Iasi, Mai 2019 (prezentare orala)
8. „State of the art in skin cancer – 2019.” Simionescu O, Grigore M. Conferinta de Dermatologie „Zilele Gh Nastase” Editia a 25a, Iasi, Mai 2019. (prezentare orala)
9. Simionescu Olga. “Trenul repus pe sina in abordarea defectuasa a melanomului”. Zilele Dermatologiei la Sibiu Editia a 2a, “Clasic si modern in Dermatologie”, Sibiu 4-6 Aprile 2019. ISSN 2601-3975
10. Simionescu Olga. “Update in etiopatogenia psoriazisului”. Conferinta de Dermatologie “Zilele Gheroghe Nastase” Editia a XXIV, Iasi, Mai 2018.
11. Simionescu Olga. “150 cazuri de dermatoscopie”. Conferinta de Dermatologie “Zilele Gheroghe Nastase” Editia a XXIV, Iasi, Mai 2018.
12. Simionescu O, Grigore M, Costache M. Xantomatoza tuberoasa in diabet zaharat. Importanta diagnosticului diferential.”  Congresul National de Dermatologie, Brasov, Octombrie 2017. ISSN 1220-3734
13. Grigore M, Costache M, Simionescu O. Xantogranulom juvenil cu debut in adolescenta”.. Congresul National de Dermatologie, Brasov, Octombrie 2017. ISSN 1220-3734
14. Simionescu Olga. “Update 2017 în melanomul cutanat”. Al 16lea Congres National de Dermatologie cu Participare Internationala, 2017, Brasov, Romania. ISSN 1220-3734
15. Simionescu Olga. “Dermatoscopia in leziunile cu pattern special de localizare facial si mucos.”. A VIII-a Conferinta Nationala cu Participare Internationala a Societatii Romane de Dermato-oncologie si A XXI-a Conferinta a Asociatiei Dermatologilor Transilvani, Cluj-Napoca Iunie 2017.
16. Simionescu Olga. “Culori, leziuni elementare și reguli în dermatoscopie”. A VIII-a Conferinta Nationala cu Participare Internationala a Societatii Romane de Dermato-oncologie si A XXI-a Conferinta a Asociatiei Dermatologilor Transilvani, Cluj-Napoca, Iunie 2017.
17. Simionescu Olga. “Diagnosticul dermatoscopic în leziunile cu pattern special de localizare”. Conferinta de Dermatologie “Zilele Gheroghe Nastase” Editia a XXIII, Iasi, Mai 2017.
18. Simionescu Olga. Erori in managementul cazurilor de melanom”. Conferinta de Dermatologie “Zilele Gheroghe Nastase” Editia a XXIII, Mai 2017, Iasi, Mai 2017.
19. Grigore M, Furtunescu F, Minca D, Costache M, Simionescu O. The eyes signal: blue periphery, tan collarette and freckles iris pattern – strong indicator for epidermal skin cancer.” Maedica Supplement. Congress of University of Medicine and Pharmacy „Carol Davila” Bucharest, Mai 2017. ISSN 1841-9038 
20. Simionescu O, Blum A, Grigore M, Costache M, Avram A, Testori A. Learning from mistakes: errors in melanoma approach.”,. Maedica Supplement. Congress of University of Medicine and Pharmacy „Carol Davila” Bucharest, Mai 2017. ISSN 1841-9038 
21. Simionescu O, Grigore M, Avram A. Dermoscopic differences between superficial spreading melanoma and nodular melanoma”. Conferinţa Naţională de Dermatologie cu participare internaţională, Sinaia, Nov 2011, ISSN 1220-3734
22. Grigore M, Avram A, Simionescu O. The conservative treatment of cutaneous and mucosal carcinomas”. Conferinţa Naţională de Dermatologie cu participare internaţională, Sinaia, Noiembrie 2011. ISSN 1220-3734
23.  Mariana Costache, Olga Simionescu, Maria Sajin, Mariana Georgescu, Mihaela Bura, Angela Petrescu – Bcl-2, ki-67 and p-53 expression in acral melanomas-XXVII-th International Congress of the International Academy of Pathology, Athens, Greece, 12-17 october 2008, published in Histopathology, ISI cu IF: 3.791,  ISSN: 0309-0167
24. Dana Unguras, Mariana Costache, Olga Simionescu, Maria Sajin – IHC role in staging melanomas that arise on melanocytic nevi- XXVII-th International Congress of the International Academy of Pathology, Athens, Greece, 12-17 october 2008, published in Histopathology,  ISI cu IF: 3.791,  ISSN: 0309-0167
25. Olga Simionescu, Mariana Costache – Dermoscopy: special patterns of localization require diagnostic algorithms; 17-th Congress of the European Academy of Dermatology and Venereology, 17-21 september 2008, Paris, France, published in JEADV, ISBN 0929-0168    ISI cu IF: 1.437
26. Mariana Costache, Olga Simionescu, Maria Sajin, Ana Maria Ene, Rodica Olteanu – Mucinoza  foliculara ; Al 5-lea Simpozion National de Patologie cu participare   internationala; Sesiunea Anuala a Institutului „Victor Babes”, Bucuresti, 4-6 noiembrie 2008, ISBN: 978-973-708-355-5
27. Olga Simionescu, Anca Zamfirescu: Particularities of melanoma in Romania 2nd Interantional Conference on Radiopharmaceutical therapy ICRT 2007, Ulan Bator, Mongolia, World Journal of Nuclear Medicine vol. 6, supplement 1, July 2007, ISSN 1450-1147
28. Mariana Costache, Olga Simionescu, Ene Ana Maria, Sajin Maria – Histopathological and immunohistochemical aspects in few types of cutaneous sarcomas – 21-st European Congress of Pathology, Istanbul, Turcia, 8-13 sept. 2007, Virchows Archiv vol. 451, nr. 2 august 2007, ISSN 0945-6317    ISI cu IF: 2.029
29. Mariana Costache, Olga Simionescu, Maria Sajin, Alina Chefani – Recurrence of naevus (Pseudomelanoma type of Kornberg and Ackerman); 4-th National Symposium of Pathology; Sesiunea Anuala a Institutului National „Victor Babes” cu participare internationala, Bucuresti, 31oct-2 nov.2007, ISBN: 978-973-708-273-2
30. Ana Maria Teodorov, Mariana Costache, Olga Simionescu, Maria Sajin, G. Becheanu, Ana Maria Ene – P-53 and bcl-2 expression in distinct stages of cutaneous melanoma; 4-th National Symposium of  Pathology; Sesiunea Anuala a Institutului National „Victor Babes” cu participare internationala, Bucuresti, 31oct-2 nov.2007, ISBN: 978-973-708-273-2
31. Ana Maria Ene, Mariana Costache, Olga Simionescu, Maria Sajin, G. Becheanu, Ana Maria Teodorov- Histopathological and immunohistochemical diagnosis of angiosarcoma and Kaposi sarcoma; 4-th National Symposium of Pathology; Sesiunea Anuala a Institutului National „Victor Babes” cu participare internationala, Bucuresti, 31oct-2 nov.2007, ISBN: 978-973-708-273-2
32. Mariana Costache, Olga Simionescu, Maria Sajin: Nevul desmoplastic; Al 3-lea Simpozion National de Patologie; Sesiunea Anuala a Institutului National „Victor Babes” cu participare internationala, Bucuresti, 1-3 nov.2006, ISBN: 973-708-005-x; ISBN: 978-973-708-005-9
33. Mariana Costache, Olga Simionescu, Maria Sajin- Fibroepiteliom Pinkus / Carcinom bazocelular fibroepitelial; Al 3-lea Simpozion National de Patologie; Sesiunea Anuala a Institutului National „Victor Babes” cu participare internationala, Bucuresti,1-3nov.2006, ISBN: 973-708-005-9
34. Olga Simionescu, Claudia Teodorescu, Mariana Costache- Dermita seboreica a scalpului:eczema, psoriazis sau un overlap?; Al IX-lea Congres National de Dermatologie cu participare internationala ; A XII-a Conferinta ITS Alpo-Danubio-Adriatica; Dermatovenerologie, vol. 51, nr. 3, supliment 1, Bucuresti, 1-4 nov. 2006, ISSN 1220-3734
35. Olga Simionescu, Mariana Costache- Leziuni elementare dermatoscopice: trasaturi-cheie in diagnosticul melanomului malign- Al IX-lea Congres National de Dermatologie cu participare internationala; A XII-a Conferinta ITS Alpo-Danubio-Adriatica, Dermatovenerologie, vol. 51, nr. 3, supliment 1, Bucuresti, 1-4 nov. 2006, ISSN 1220-3734
36. Olga Simionescu, Mariana Costache- Dificultaţi de recunoaştere a voalului alb-albastru în melanomul malign, folosind tehnica dermoscopica digitala- Al IX-lea Congres National de Dermatologie cu participare internationala ; A XII-a Conferinta ITS Alpo-Danubio-Adriatica, Dermatovenerologie,vol. 51, nr. 3, supliment 1, Bucuresti, 1-4 nov. 2006, ISSN 1220-3734 
37. Mariana Costache, Ana Maria Ene, Maria Sajin, Olga Simionescu– Histopatological, immunohistochemical and clinical corelations in cutaneous leiomyosarcomas(CLMS); 20^th European Congress of Pathology, Paris, France, 3-8 sept. 2005, Published in Virchows Archiv, vol.447, nr.2, august 2005, ISSN 0945-6317.    ISI cu IF: 2.029
38. Mihaela Mihaiescu, Raluca Ciulica, Alina Geambasu, Olga Simionescu; Giant condyloma Buschke-Lowenstein-treatment of a benign neoplasia, 14th congress EADV, London, 2005, JEADV, vol. 19, Issue s2, pag. 1-58 (november 2005), ISBN 0929-0168,    ISI cu IF: 1.437
39. Alina Geambasu, Mihaela Mihaiescu, Raluca Ciulica, Olga Simionescu: Superficial leiomyosarcoma of the tigh, 14th congress EADV, London, 2005, JEADV, vol. 19, Issue s2, pag. 1-58 (november 2005), ISBN 0929-0168,    ISI cu IF: 1.437
40. Olga Simionescu, Emil Cochino, Bogdan pana et al: Validity assessement for malignancy based on ABCD Rule of dermoscopy- a digital approach,  14th congress EADV, London, 2005, JEADV, vol. 19, Issue s2, pag. 1-58 (november 2005), ISBN 0929-0168,    ISI cu IF: 1.437
41. Raluca Ciulica, Mihaela Mihaiescu, Alina Geambasu, Olga Simionescu: Cutaneous plasmocytosis in Caucasians: a difficult diagnosis, 14th congress EADV, London, 2005, JEADV, vol. 19, Issue s2, pag. 1-58 (november 2005), ISBN 0929-0168,    ISI cu IF: 1.437.
42. Costache Mariana, Simionescu Olga, Maria Sajin, Vrabie Camelia Doina- Prognostic significance of ki-67, p53 and bcl-2 expression in cutaneous malignant melanomas; XIV^th EuroCellPath Course : The impact of genomics and proteomics in pathology, Girona, Spain, 9 – 12 May 2004, pg.47., Virch Arch 2004,     ISI cu IF 2.09
43. Magdalena Gavrilă, Ana-Maria Forsea, Rodica Miţoi, Olga  Simionescu, Mariana Costache, D. Forsea –Epidermolysis bullosa acquisita and chronic inflamatory Bowel disease – case report; Al XII-lea Congres EADV, Barcelona, 15-18 oct. 2003, Published in JEADV vol. 17, supplement 3, nov.2003. ISSN 0929-0168    ISI cu IF: 1.437
44. Olga Simionescu, Monica Nicolaescu, Dorin Marian: Valoarea IFD in diagnosticul dermatologic. Observatie pe 127 de cazuri. Al 8-lea Congres National de Dermatologie, 2002. Dermatovenerol (Buc) 47; sup 74-81 pag CS13, ISSN 1220- 3734
45. Olga Simionescu, Monica Nicolaescu, Bardut Ionascu, Dorin Marian: Psoriazis pustulos generalizat eritrodermic (Von Zumbusch): particularitati de diagnostic si tratament la o lauza; Al 8-lea Congres National de dermatologie, 2002. Dermatovenerol (Buc) 47; sup 55-62 pag CS8,  ISSN 1220- 3734
46. Olga Simionescu, Monica Nicolaescu, Dorin Marian, Horia Beti: Demodecidoza faciala, factor agravant sau cauzativ al unor afectiuni cutanate cronice, Al 8-lea Congres National de Dermatologie, 2002, Dermatovenerol (Buc) , 47:Sup. 29-35, pag CS7, ISSN 1220- 3734
47. Olga Simionescu, Anca Simionescu, Monica Nicolaescu, Dorin Marian: Semnificatia paraneoplazica a bolii Bowen multicentrice, Al 8-lea Congres National de Dermatologie, 2002, Dermatovenerol (Buc) , 47:Sup. 42-48, pag CS6, ISSN 1220- 3734
48.  Magdalena Gavrilă, Oana Jinga, Rodica Miţoi, Marinela Moţîrlichie, Olga Simionescu, Mariana Costache, P. Trifu, D. Forsea – Epidermoliză buloasă dobândită – consideraţii pe marginea unui caz clinic; Al VIII-lea Congres Naţional de Dermatologie cu participare internaţională, Bucureşti, 13-16 noiembrie 2002, Publicat în Dermatovenerologie, vol. 47, nr. 3, supliment, ISSN 1220-3734
49. Mihaela Nica, Doina Tabacila, Oana Jinga, Olga Simionescu, Sorin Tiplica, dan Forsea: dapsone therapy in Kaposi’s sarcoma, abstracts of the 10th Congress of EADV, Munich, october 2001, JEADV vol 15, supplement 2, november 2001, (ISI IF: 1.437)
50. Smaranda Iosif, Olga Simionescu: Algoritm de diagnostic etiologic in keratodermiile palmo-plantare, Conferinta Nationala de Dermatologie Bucuresti, sept 2001, vol. 46, nr 3 (supliment) ISSN 1220/3734
51. Smaranda Iosif, Olga Simionescu, P.Trifu, Mariana Costache – Diagnosticul dermatozelor veziculo-pustuloase cu Ig A intraepidermice; consideraţii pe marginea a două cazuri – Conferinţa Naţională de Dermatologie, Bucureşti, 27-29 sept. 2001, Publicat în Dermatovenerologie vol. 46, nr. 3, supliment, ISSN 1220-3734
52. D. Forsea, P. Trifu, S. Ţiplica, Olga Simionescu, Mariana Costache, C. Popescu – Epidermotropic metastasis of melanoma, Journal of investigative Dermatology 110 (4) 720-720, apr. 1998; Publisher: Blackwell Science Inc, 350 Main St, Malden, MA 02148 USA, ISSN 0022-202, (ISI IF: 4.829)
53. D.Forsea, P.Trifu, Mariana Costache, Daniela Nestor, Olga Simionescu, S.Tiplica – Spindle shaped cell nevus Reed;2-nd Regional Clinicopathological Colloquium and 1-st Platform on the Progress of Dermatology and Dermatopathology in Middle-Est, Balkanian and Caucasian Countries, Antalia- Turcia, 19-21 sept. 1997, ISSN 1300-4301.