Prof. Özben Yalçın, M.D.

Career Summary:

• Marmara University School of Medicine, Department of Medical Pathology / 2005–2010 (Residency Training)
• Diyarbakır Children’s Hospital / 2010–2012 (Consultant)
• Acıbadem Central Pathology Laboratory / 2012–2013 (Consultant)
• Şişli Hamidiye Etfal Training and Research Hospital, Department of Medical Pathology / 2013–2017 (Consultant)
• SBÜ Prof. Dr. Cemil Taşçıoğlu City Hospital, Department of Medical Pathology / 2017–2024 (Consultant, Associate Professor as of 2017)
• SBÜ Hamidiye School of Medicine, Department of Medical Pathology / 2021–2024 (Associate Professor)
• University of Health Sciences, Molecular Oncology / 2024 (PhD)
• SBÜ Hamidiye School of Medicine, Department of Medical Pathology / 2025–2026 (Professor)
• SBÜ Prof. Dr. Cemil Taşçıoğlu City Hospital, Medical Pathology / 2025–2026 (Professor & Head of Administrative Unit)Yeditepe University Koşuyolu Hospital / 
• 2026 (Professor)

Fields of Study:

• Hematopathology
• Dermatopathology
• Molecular Pathology
• Paediatric Pathology
• Digital Pathology

Book Chapters:

• Yalçın Ö & Dilbaz ÖF. “The Role of Multikinases and Angiogenesis in Thyroid Malignancies and Associated Therapeutic Targets”. Thyroid Cancer – Novel Aspects in Pathogenesis and Treatment. Editor: Kostoglou-Athanassiou I. 2026, IntechOpen. https://doi.org/10.5772/intechopen.1014764
• Yalçın Ö. & Oğuzsoy T. “Mycosis Fungoides”. Haematolymphatic Lesions of the Skin. Editor: Yuyucu-Karabulut Y. Associate Editors: Tosuner-Koçyiğit Z. & Geçer-Özgün M. O’Tıp Kitabevi ve Yayıncılık, 2024: 119–132, ISBN: 978-605-9259-73-06.
• Yalçın Ö. “Poroma”, Skin Appendage Tumours. Editors: Geçer-Özgün Melin, Tosuner Zeynep, Nobel Publishing House, 2002: 231–238, ISBN: 978-625-8299-01-4.
• Kulduk G. and Yalçın Ö. “Hydrocystoma and Cystadenoma”. Tumours of the Skin Appendages. Editors: Melin Geçer-Özgün, Zeynep Tosuner, Nobel Publishing House, 2002: 231–238, ISBN: 978-625-8299-01-4.

Professional Publications:

A. Selected Recent 10 International Publications:

• Aki B, Erdoğan-Durmuş Ş, Yalçın Ö, Atamanalp RS. A Solid Pseudopapillary Neoplasm in a 10-Year-Old-Boy Diagnosed by Endoscopic Ultrasound-Fine-Needle Aspiration (EUS-FNA). Journal of Cytology. 2025; 42(2): 109-112, April-June 2025. | DOI: https://doi.org/10.4103/joc.joc_188_23
• Aygün MİŞ, Yalçın Ö, Uzel B, Kulduk G, Çomunoğlu C. Evaluating the Impact of a Ki-67 Decision Support Algorithm on Pathology Residents’ Scoring Accuracy. Journal of Imaging Informatics in Medicine. Published online April 3, 2025. | DOI: https://doi.org/10.1007/s10278-025-01490-x
• Şahin HB, Kesici U, Yalçın Ö, Şahin SAA, Duman MG, Yalcin O. Determination of the Predictive Value of Preoperative Hemogram Parameters and BRAF Molecular Test in Predicting Malignancy in Cases with Thyroid Nodules Detected by Bethesda 3 Cytology.
  Indian Journal of Surgical Oncology. Published online March 3, 2025. | DOI: https://doi.org/10.1007/s13193-025-02254-3
• Yalçın Ö, Aygun MŞ, Atamanalp R, et al. 1396 Validation of an AI-Based Mitotic Counting Algorithm Trained on Breast Cancer in Soft Tissue Sarcoma, Osteosarcoma, and Melanoma: A Pilot Study. Laboratory Investigation. 2025;105(3):103634-103634. DOI: https://doi.org/10.1016/j.labinv.2024.103634
• Aygün MİŞ, Yalçın Ö. LAG-3 and TIM-3 expression in melanoma and histopathological correlation: a single-center study. Clinical and Translational Oncology. Published online January 3, 2025. | DOI: https://doi.org/10.1007/s12094-024-03836-3
• Aykut H, Ordu B, Dertsiz B, Adalı G, Yalçın Ö. Leukocytoclastic vasculitis as a rare adverse effect of ustekinumab in a patient with Crohn’s disease. Journal of Gastrointestinal and Liver Diseases. 2025;34(1):137-138 | DOI: https://doi.org/10.15403/jgld-6036
• Yalçın Ö, Kulduk G. Tumour budding in invasive breast carcinoma of no special type – relationship with clinicopathological parameters. Polish Journal of Pathology. 2024;75(2):77-82. | DOI: https://doi.org/10.5114/pjp.2024.139272
• Yalçın Ö, Erdoğan-Durmuş Ş, Yarıkkaya E. Diagnostic utility of immunocytochemistry by using liquid-based cytology (LBC) slides. Folia Histochemica et Cytobiologica. 2024;62(1):1-12. | DOI: https://doi.org/10.5603/fhc.97937
• Yalçın Ö, Aygün MİŞ, Moustafa E, Aktaş E. Histopathologic spectrum of morphea: a single-center retrospective study.Dermatology Reports. 2024;16(3). | DOI: https://doi.org/10.4081/dr.2024.9915
• Semiz Y, Aktaş E, Aktaş S, Yalçın Ö. Multiple hyperkeratotic white papules in a 6-year-old girl: A rare presentation of granuloma annulare. Dermatologica Sinica. 2023;41(1):50. | DOI: https://doi.org/10.4103/ds.ds-d-22-00159

B. Selected Recent 10 International Papers, Posters & Presentations

• Dilbaz Ö.F., Arsoy-Şahin S.A., Şengör-Aygün M.İ., Şenkaya-Aktaş S.Ö., Yalçın Ö., Predicting BRAF Situation in Melanoma Cases Using Digitalized Slides, 22nd European Congress on Digital Pathology, 2026.
• Yalçın Ö., Atamanalp R.S., Coşkun G., Olgun V., Akbaş T., Çomunoğlu C., Evaluation of Digital Pathology Imaging in Punch Biopsy: Quality, Processing Time, Workflow, and Diagnostic Usability, 21st European Congress on Digital Pathology, 2025.
• Çelik-Özöver İ., Yalçın Ö., Değirmen H., Yazıcı Ç., Tekin E., Uzel B., Atamanalp R.S., Transitioning to a Paperless Pathology Workflow, 21st European Congress on Digital Pathology, 2025.
• Doğan Ayan M., Yalçın Ö., Çomunoğlu C., Atamanalp R.S., Solmaz Yılmaz G., Sönmez İ., Çayır S., Uzel B., Algorithm-assisted evaluation improves consistency in mitotic counts, Ki-67 scoring, and grading in gastroenteropancreatic neuroendocrine neoplasms: a comparative study, 37th European Congress of Pathology, 2025.
• Öztürk G., Çomunoğlu C., Yalçın Ö., Tanrıtanır R., Dedifferentiated Bone and Soft Tissue Neoplasms: A Case Series, 37th European Congress of Pathology, 2025.
• Yalçın Ö., Şenkaya-Aktaş S.Ö., Solmaz Yılmaz G., Çayır S., Uzel B., Algorithm-Aided Reclassification of HER2 IHC 0 Cases, 2nd Annual Congress of Asian Society of Digital Pathology, 2025.
• Yalçın Ö., Sertaç Kip N., Dilbaz Ö.F., Akbaş T., Olgun V., Coşkun G., Robustness of AI-Based v-erbB-2 Quantilation on Compressed Whole Slide Images, 12th Digital Pathology & AI Congress: Europe, 2025.
• Yalçın Ö., Aygün Şengör M., Atamanalp R., Çomunoğlu C., Tokat F., Kayhan C., İnce Ü., Girente İ., Solmaz Yılmaz G., Çayır S., Gümüşkaya B., Uzel B., Validation of an AI-Based Mitotic Counting Algorithm Trained on Breast Cancer in Soft Tissue Sarcoma, Osteosarcoma, and Melanoma: A Pilot Study, United States and Canadian Academy of Pathology 2025, 2025.
• Dilbaz Ö.F., Doğan M., Yalçın Ö., Thyroid Nodule FNABs, 33. Tagung der Deutschen Gesellschaft für Zytologie, 2025.  
• Atamanalp R.S., Erdoğan-Durmuş S., Çomunoğlu C., Yalçın Ö., Akı B., Implementation of the International System for Reporting Serous Fluid Cytopathology (TIS) with cytohistological correlation and evaluation of malignancy risk, 36th European Congress of Pathology, 2024.

C. Selected Recent 10 National Publications:

• Armay O, Bulut D, Kandirici A, Yalcin O, Yalcin O. Pediatric Cervical Chondromesenchymal Hamartoma: Case Report of a Rare Tumor. Eur Arch Med Res. 2025 ;41(2):112-116. | DOI: 10.14744/eamr.2025.62681
• Kuzucular E, Çakır A, Yalçın Ö, Dervisoglu S. Intracardiac masses in our routine practice: Evaluation with the literature. Maltepe Tıp Dergisi. 2025 Apr 4;17(1):13-21. | DOI:  https://doi.org/10.35514/mtd.2025.122
• Bilgi H, Durmuş ŞE, Çomunoğlu C, Yalçın Ö. Evaluation of the Short and Long-term Impact of the COVID-19 Pandemic on Non-gynaecological Cytology Practice. European Archives of Medical Research. 2024;40(3):145, | DOI: 10.4274/eamr.galenos.2024.72602.
• Uysal İ, Topal İO, Yalçın Ö. A Case of Poststeroid Panniculitis After COVID-19 Infection. European Archives of Medical Research. 2023 Jun 1;39(2):130. | DOI: 10.4274/eamr.galenos.2023.09821.
• Aktaş E, Semiz Y, Bilgi H, YALÇIN Ö. Dermatofibroma Mimicking Melanoma in an 11-Year-Old Girl. Turkiye Klinikleri Journal of Dermatology. 2023 Jan 1;33(1). | DOI: 10.5336/dermato.2022-91204
• Kulduk G, Yalçın Ö, Erdem ZB, Karabıyık Altıok D, Oguz Topal I. Maculopapular Drug Eruptions: Diversity of Histopathological Changes. Eur Arch Med Res. 2023 ;39(2):79-83. | DOI: 10.4274/eamr.galenos.2022.27147.
• Tarı AF, Topal İO, Semiz Y, Matur MA, Yalçın Ö. A Solitary Nodule on the Scalp: An Unusual Presentation of Metastatic Colorectal Carcinoma. Eur Arch Med Res. 2022 Jun;38(2):152-153. | DOI: 10.4274/eamr.galenos.2022.92259.
• Yalçın Ö, Akı B, Arsoy SA. Signet Ring Basal Cell Carcinoma: An Extraordinary Case. Eur Arch Med Res. 2022 Sept;38(3):230-232. | DOI: 10.4274/eamr.galenos.2022.87441.
• Yalçın Ö, Türkkan E, Altıok DK. Çocukluk Çağı Hodgkin Lenfomalarında CD163 Ekspresyonunun Prognostik Önemi. Maltepe Tıp Dergisi. 2022 Apr 4;14(1):7-10. | DOI: 10.35514/mtd.2022.60
• Göktaş AB, Yalçın Ö, Moustafa E. Eccrine Porocarcinoma: A Case Report. Eur Arch Med Res. 2021 ;37(3):199-202. | DOI: 10.4274/eamr.galenos.2021.54366.

Professional Awards:

• Best Oral Presentation Award, “Application of the Sydney System in Lymph Node Fine Needle Aspirations and Determination of Malignancy Risks”, Yalçın Ö, Ayan-Doğan M, Erdoğan-Durmuş Ş., 10th National Congress of Cytopathology with International Participation, Istanbul, Turkey, 19–21 April 2024.

Actively Performed Professional Duties: 

• Yeditepe University Koşuyolu Hospital, Medical Pathology Department

Memberships:

• Chair of the Standardisation Committee and Secretary of the Information Technology Committee of the Federation of Pathology Societies
• Asian Society of Digital Pathology 
• The European Society of Digital and Integrative Pathology
• European Society of Pathology
• Association for Molecular Pathology