Prof.Dr.Demirali ONAT

Prof.Dr.Demirali ONAT

General Surgery

  • In 1970, Hacettepe Unıv. Faculty of Medicine graduated.
  • Hacettepe Univ. He received the title of Professor at the Faculty of Medicine.
  • 43 Years Hacettepe Univ. Faculty of Medicine. He worked in the Department of General Surgery and has been working since 2014.
  • He works as a General Surgery Specialist at Private Ortadoğu 19 Mayıs Hospital.
  • He continues his studies especially on Breast Diseases Treatment and Surgery.

He has many domestic and foreign scientific studies.

1: Kanat NB, Tuncel M, Aksoy T, Fırat A, Demirkazık F, Onat D, Çağlar Tuncalı M,
Caner BE. Comparison of wire-guided localization and radio-guided occult
lesionlocalization in preoperative localization of nonpalpable breast lesions.
Turk J Med Sci. 2016 Dec 20;46(6):1829-1837. doi: 10.3906/sag-1507-162. PubMed
PMID: 28081335.


2: Konan A, Kalyoncu U, Dogan I, Kiliç YA, Karakoç D, Akdogan A, Kiraz S, Kaynaro
Lu V, Onat D. Combined long-term steroid and immunosuppressive treatment regimen
in granulomatous mastitis. Breast Care (Basel). 2012 Aug;7(4):297-301. doi:
10.1159/000341388. PubMed PMID: 23904832; PubMed Central PMCID: PMC3515783.


3: Kilic YA, Dundar SV, Onat D, Akhan O. Iliopsoas hemophilic pseudotumor with
bowel fistulization. Bratisl Lek Listy. 2009;110(11):729-31. PubMed PMID:
20120446.


4: Erman M, Baltali E, Karaoglu A, Abali H, Engin H, Ozisik Y, Guler N, Altundag
K, Tekuzman G, Atahan IL, Onat D, Sayek I. A phase II study on the safety and
efficacy of 5-fluorouracil, epirubicin, cyclophosphamide (FEC) followed by
paclitaxel in the adjuvant treatment of breast cancer. Cancer Invest.
2005;23(3):215-21. PubMed PMID: 15945507.


5: Nursal TZ, Yakupoglu H, Renda N, Hamaloğlu E, Sayek I, Onat D, Palaoglu S,
Enünlü T. Pinealectomy does not affect the healing of experimental colonic
anastomoses. J Invest Surg. 2002 Mar-Apr;15(2):61-8. PubMed PMID: 12028616.