Assoc. Prof. Dr. Ramazan Öcal

Areas of Interest

Internal Medicine

Hematology

Education and Specialization

GATA Faculty of Medicine, 1993–2000

Internal Medicine residency, 2003–2007

Hematology fellowship, Gazi University, 2014–2017

Professional Experience

Since December 2020: Hematology, Liv Hospital Ankara.

January 2018–December 2020: Hematology specialist, SBÜ Gülhane Training and Research Hospital.

July 2017–January 2018: Hematology specialist, Erzurum Regional Training and Research Hospital.

December 2013–January 2014: Internal medicine specialist, Bayındır Hospital.

January 2010–December 2013: Assistant professor and clinic chief, Intensive Care, Gülhane Military Medical Faculty.

November 2007–December 2009: Internal medicine specialist, Ağrı Military Hospital.

August 2000–June 2003: General practitioner and infirmary chief medical officer, Artillery and Missile School Command, Polatlı.

Professional Memberships

Turkish Society of Hematology

Selected Scientific Publications

Vural E, Ocal R, Aytekin H, Aksoyoğlu İ, Nevruz O, İlhan O, Beksac M. Non-cryopreserved hematopoietic stem cell transplantation compared to conventional autologous peripheral stem cell transplantation with cryopreserved stem cells among patients newly diagnosed with myeloma. Transfus Apher Sci. 2026;65(4):104493. doi:10.1016/j.transci.2026.104493.

Vural E, Aytekin H, Durak E, Ocal R, Nevruz O, Kuzu I, Gül SS, Beksac M. How to treat hepatic extra-medullary involvement of myeloma: a case report and review of literature. Leuk Lymphoma. 2026;67(11):2327–2336. doi:10.1080/10428194.2026.2715203.

Savaş EM, Yılmaz S, Başer Dikyar AA, Özkurt ZN, Öcal R, Can F, Pepeler S, Kaynar LA, Gökçen S, Yıldız A, Albayrak M, Karakuş S, Çeneli Ö, Yağcı M. Long-term Results of Imatinib Discontinuation in Patients with Chronic-phase Chronic Myeloid Leukemia: A National Multicenter Prospective Study. Turk J Haematol. 2023;40(4):236–241. PMID:37877113.

Karadurmus N, Paydas S, Esin E, Surmeli ZG, Yildiz B, Erturk I, Nayir E, Dogan M, Sumbul AT, Barista I, Gurkan E, Ocal R, Ferhanoglu B, Ozgur G, Karakas Y, Lacin S, Ozaydin S, Petekkaya HI, Uskent N. Effectiveness of bendamustine in relapsed or refractory lymphoma cases: a Turkish Oncology Group study. Arch Med Sci. 2021;17(4):920–927. doi:10.5114/aoms.2019.83000.

Ocal N, Ocal R, Yegin ZA. Neutrophil/lymphocyte ratio, a possible diagnostic marker in clinical practice. Ann Thorac Med. 2015;10(1):73. doi:10.4103/1817-1737.146895.