Prof. Dr. Ayhan Koyuncu

• Breast Neoplasms 4 publications
  Source: OpenAlex / PubMed MeSHView publications
• Abdominal Pain 3 publications
• Gastrointestinal Hemorrhage 2 publications
• Echinococcosis 2 publications
• Stomach Neoplasms 2 publications
• Sigmoid Diseases 2 publications

Medical areas of interest stated by the doctor on the institution profile. Source: medicalpark.com.tr.

Experience

• ExperienceSivas Medicana Hastanesi 2014-2022medicalpark.com.tr
• ExperienceSivas Anadolu Hastanesi 2013- 2014medicalpark.com.tr
• ExperienceCumhuriyet Üniversitesi Tıp Fakültesi 2009-2013 (Prof Dr)medicalpark.com.tr
• ExperienceCumhuriyet Üniversitesi Tıp Fakültesi 2004-2009 (Doç Dr)medicalpark.com.tr
• ExperienceCumhuriyet Üniversitesi Tıp Fakültesi 1999-2004 (Yard Doç Dr)medicalpark.com.tr
• ExperienceOrhaneli Devlet Hastanesi 1998-1999medicalpark.com.tr
• ExperienceAnkara Üniversitesi Tıp Fakültesi 1993-1997( Genel Cerrahi İhtisası)medicalpark.com.tr
• ExperienceArdahan Merkez Sağlık Ocağı 1991-1993medicalpark.com.tr

Education

• EducationUludağ Üniversitesi Tıp Fakültesi 1991medicalpark.com.tr
• EducationAnkara Üniversitesi 1997 (Uzmanlık)medicalpark.com.tr

• SpecialtyGeneral Surgerymedicalpark.com.trFrom source
• InstitutionMedical Park Maltepemedicalpark.com.trFrom source
• Area of workBreast NeoplasmsExtracted from 4 publications · Model version —From source
• Publications49 publicationsOpenAlex, ORCIDFrom source
• ORCID0009-0003-1173-2549ORCIDFrom source
• Last synchronised4 November 2026 20:26https://www.medicalpark.com.tr/hekimler/ayhan-koyuncumedicalpark.com.tr

1. Randomized Trial Comparing Resection of Primary Tumor with No Surgery in Stage IV Breast Cancer at Presentation: Protocol MF07-01

   Annals of Surgical Oncology, 2018

   DOI 10.1245/s10434-018-6494-6 PMID 29777404 237 citations (Europe PMC) Open-access full textSource: OpenAlex

2. Peptic Ulcer Perforation in Elderly: 10 years' Experience of a Single Institution

   International Journal of Gerontology, 2016

   DOI 10.1016/j.ijge.2013.03.009 7 citations (OpenAlex) Open-access full textSource: ORCID

3. Expression of FHIT, p16, p53 and EGFR as prognostic markers in thyroid tumors of uncertain malignant potential

   Journal of B.U.ON., 2015

   Source: ORCID

4. Factors affecting breast cancer treatment delay in Turkey: a study from Turkish Federation of Breast Diseases Societies

   European Journal of Public Health, 2014

   DOI 10.1093/eurpub/cku086 PMID 25096257 36 citations (Europe PMC) Open-access full textSource: OpenAlex

5. In vitro motility changes in Roux limb after Roux-en-Y reconstruction.

   Bratislavské lekárske listy, 2014

   Source: ORCID

6. Effects of Ramadan fasting on peptic ulcer disease as diagnosed by upper gastrointestinal endoscopy

   Arab Journal of Gastroenterology, 2012

   DOI 10.1016/j.ajg.2012.12.002 PMID 23432987 6 citations (Europe PMC) Source: ORCID

7. The impact of Ramadan on peptic ulcer perforation,Peptik ülser perforasyonuna Ramazan'ın etkisi

   Ulusal Travma ve Acil Cerrahi Dergisi, 2012

   DOI 10.5505/tjtes.2012.61257 PMID 23139002 5 citations (Europe PMC) Open-access full textSource: ORCID

8. Management of neuroendocrine carcinomas of the breast: A rare entity.

   Oncology letters, 2011

   DOI 10.3892/ol.2011.320 PMID 22866145 26 citations (Europe PMC) Open-access full textSource: ORCID

9. Effects of proton pump inhibitors and H 2 receptor antagonists on the ileum motility

   Gastroenterology Research and Practice, 2011

   DOI 10.1155/2011/218342 PMID 22216022 3 citations (Europe PMC) Open-access full textSource: ORCID

10. Iatrogenic pneumoscrotum after colonoscopy

    Turkish Journal of Gastroenterology, 2011

    DOI 10.4318/tjg.2011.0296 PMID 21948583 2 citations (Europe PMC) Source: ORCID