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Prof. Dr. İsmail Hamzaoğlu General Surgery

Prof. Dr. İsmail Hamzaoğlu

✓ Medically verified profile
General Surgery

Prof. Dr. İsmail Hamzaoğlu

✓ Medically verified profile
20+ years experienceLanguages: Turkish, EnglishOnline consultationAcibadem Altunizade Hospital · İstanbul
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Prof. Dr. İsmail Hamzaoğlu
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About Prof. Dr. İsmail Hamzaoğlu

Quick answer

Prof. Dr. İsmail Hamzaoğlu is a General Surgery specialist at Acibadem Altunizade Hospital in İstanbul with over 20 years of experience.

He treats right-sided colon, transverse colon, and rectal cancers, gastric cancer, Crohn’s disease, ulcerative colitis, left-sided colonic diverticulitis, and inguinal hernia, and performs procedures including complete mesocolic excision, total mesorectal excision, robotic radical gastrectomy, total gastrectomy with D2 lymphadenectomy, robotic transabdominal preperitoneal inguinal hernia repair, and restorative total proctocolectomy with ileal…

Prof. İsmail Hamzaoğlu is a general surgeon with a medical degree from Istanbul University Cerrahpaşa Faculty of Medicine (1993). He has extensive clinical experience and has been affiliated with Acıbadem Health Group since 2006. Known for a patient-centered approach, he combines solid surgical training with years of practice to provide careful, evidence-based care. He is committed to clear communication, ongoing professional development, and delivering high standards of surgical treatment.

Clinical Focus

Areas of Expertise

Conditions treated and procedures performed by this specialist.

Right-sided colon cancerTransverse colon cancerRectal cancerGastric cancerCrohn’s diseaseUlcerative colitisLeft-sided colonic diverticulitisInguinal herniaComplete mesocolic excisionTotal mesorectal excisionRobotic radical gastrectomyTotal gastrectomy with D2 lymphadenectomyRobotic transabdominal preperitoneal inguinal hernia repairRestorative total proctocolectomy with ileal pouch-anal anastomosis
Background

Education

  • 1993Istanbul University Cerrahpasa Faculty of Medicine General Surgery
  • 1988Istanbul University Cerrahpasa Faculty of Medicine
Career

Professional Experience

  • 2006Acibadem Health Group
Research

Selected Publications

  • Metastasis to lymph nodes around the vascular tie worsens long-term oncological outcomes following complete mesocolic excision and conventional colectomy for right-sided colon cancer. Tech Coloproctol. 2021 Jan 5. doi: 10.1007/s10151-020-02378-4. Zenger S, Aytac E, Gurbuz B, Ozben V, Ozoran E, Baca B, Balik E, Hamzaoglu I, Karahasanoglu T, Bugra D.
  • Does Obesity Impact Surgical and Pathological Outcomes in Robotic Complete Mesocolic Excision for Colon Cancer? J Laparoendosc Adv Surg Tech A. 2021 Jan 8. doi: 10.1089/lap.2020.0824. Ozben V, Aliyeva Z, Bilgin IA, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Predictors of endoscopic recurrence in resected patients with Crohn’s disease in a long-term follow-up cohort: History of multiple previous resections and residual synchronous disease in the remnant intestine. Turk J Gastroenterol. 2020 Apr;31(4):282-288. Erzin Y, Şişman G, Hatemi I, Baca B, Hamzaoglu I, Dirican A, Korman U, Celik AF.
  • T. Totally Robotic Autonomic Nerve-Preserving Total Mesorectal Excisions: Step-by-Step Technical Tips and Tricks. Dis Colon Rectum. 2020 Apr;63(4):562. Baca B, Benlice C, Ozben V, Hamzaoglu I, Karahasanoglu T
  • Totally minimally invasive radical gastrectomy with the da Vinci Xi® robotic system versus straight laparoscopy for gastric adenocarcinoma Karahasanoglu T. Int J Med Robot. 2020 Dec;16(6):1-9. Aktas A, Aytac E, Bas M, Gunes O, Tarcan SH, Esen E, Gokler C, Aghayeva A, Uylas U, Ozben V, Zengin A, Sumer F, Baca B, Hamzaoglu I, Kayaalp C,
  • Robotic complete mesocolic excision for transverse colon cancer can be performed with a morbidity profile similar to that of conventional laparoscopic colectomy. Tech Coloproctol. 2020 Oct;24(10):1035-1042. Ozben V, de Muijnck C, Sengun B, Zenger S, Agcaoglu O, Balik E, Aytac E, Bilgin IA, Baca B, Hamzaoglu I, Karahasanoglu T, Bugra D.
  • Fully robotic total gastrectomy with D2 lymphadenectomy for gastric cancer. Surg Oncol. 2020 Mar;32:48. Benlice C, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Learning curve analysis of robotic transabdominal preperitoneal inguinal hernia repair. Int J Med Robot. 2020 Dec;16(6):1-5. Aghayeva A, Aytac E, Dinc T, Mutlu AU, Sahin I, Bilgin IA, Hamzaoglu I, Baca B.
  • Fully robotic total gastrectomy with D2 lymphadenectomy for gastric cancer. Surg Oncol. 2020 Mar;32:48. Benlice C, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Totally laparoscopic and totally robotic surgery in patients with left-sided colonic diverticulitis. Int J Med Robot. 2020 Feb;16(1):e2068. Bilgin IA, Bas M, Benlice C, Esen E, Ozben V, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Impact of Prolonged Neoadjuvant Treatment-surgery Interval on Histopathologic and Operative Outcomes in Patients Undergoing Total Mesorectal Excision for Locally Advanced Rectal Cancer. Surg Laparosc Endosc Percutan Tech. 2020 Dec;30(6):511-517. Akbaba AC, Zenger S, Aytac E, Yozgatli TK, Bengür FB, Esen E, Bilgin IA, Sahin B, Atalar B, Sezen D, Erdamar S, Kapran Y, Ozben V, Baca B, Balik E
  • Delaying surgery for patients with a previous SARS-CoV-2 infection. Br J Surg. 2020 Nov;107(12):e601-e602. COVIDSurg Collaborative
  • Outcomes from elective colorectal cancer surgery during the SARS-CoV-2 pandemic. Colorectal Dis. 2020 Nov 15:10.1111/codi.15431 COVIDSurg Collaborative.
  • Short-term Results After Totally Robotic Restorative Total Proctocolectomy With Ileal Pouch Anal Anastomosis for Ulcerative Colitis. Surg Laparosc Endosc Percutan Tech. 2020 Feb;30(1):40-44. Hamzaoglu I, Baca B, Esen E, Aytac E, Ozben V, Aghayeva A, Bilgin IA, Karahasanoglu T
  • Live surgical demonstrations for minimally invasive colorectal training. Langenbecks Arch Surg. 2020 Feb;405(1):63-69. Unal UK, Esen E, Yilmaz BS, Aytac E, Bilgin IA, Ozben V, Ozoran E, Agcaoglu O, Balik E, Baca B, Hamzaoglu I, Karahasanoglu T, Bugra D.
  • Management of Complicated Ostomy Dehiscence A Case Study. J Wound Ostomy Continence Nurs. 2020 Jan/Feb;47(1):72-74. Bilgin IA, Bas M, Demir S, Esen E, Kirbiyik E, Aghayeva A, Ozben V, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T
  • Operative and long-term oncological outcomes in patients undergoing robotic versus laparoscopic surgery for rectal cancer. Int J Med Robot. 2020 Dec;16(6):1-10. Bilgin IA, Bas M, Aytac E, Benlice C, Esen E, Kirbiyik E, Kiziltas C, Aghayeva A, Ozben V, Hamzaoglu I, Karahasanoglu T, Baca B.
  • Robotic sigmoidectomy for giant diverticula with the da Vinci Xi – a video vignette. Colorectal Dis. 2019 Aug;21(8):977-978. Benlice C, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Totally robotic complete mesocolic excision for right-sided colon cancer. J Robot Surg. 2019 Feb;13(1):107-114. Ozben V, Aytac E, Atasoy D, Erenler Bayraktar I, Bayraktar O, Sapci I, Baca B, Karahasanoglu T, Hamzaoglu I.
  • Robotic Complete Mesocolic Excision Versus Conventional Laparoscopic Hemicolectomy for Right-Sided Colon Cancer. J Laparoendosc Adv Surg Tech A. 2019 May;29(5):671-676. Yozgatli TK, Aytac E, Ozben V, Bayram O, Gurbuz B, Baca B, Balik E, Hamzaoglu I, Karahasanoglu T, Bugra D.
  • Adoption of robotic technology in Turkey: A nationwide analysis on caseload and platform used. Int J Med Robot. 2019 Feb;15(1):e1962. Esen E, Aytac E, Ozben V, Bas M, Bilgin IA, Aghayeva A, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Adoption of robotic technology in Turkey: A nationwide analysis on caseload and platform used. Int J Med Robot. 2019 Feb;15(1):e1962. Esen E, Aytac E, Ozben V, Bas M, Bilgin IA, Aghayeva A, Baca B, Hamzaoglu I, Karahasanoglu T.
  • En-Bloc Excision of the High-ligated Inferior Mesenteric Vein Pedicle With the Specimen in Patients Undergoing Minimally Invasive and Open Sphincter-Saving Rectal Resections for Cancer. Surg Laparosc Endosc Percutan Tech. 2019 Feb;29(1):13-17. Bilgin IA, Aytaç E, Baca B, Benlice Ç, Aghayeva A, Esen E, Goksel S, Karahasanoglu T, Hamzaoglu I.
  • Robotic left colectomy with complete mesocolic excision and intracorporeal side-to-side anastomosis for splenic flexure cancer with the da Vinci Xi robotic platform – a video vignette. Colorectal Dis. 2019 Dec;21(12):1454. Benlice C, Aghayeva A, Yavuz E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Standardized totally robotic complete mesocolic excision for right-sided colon cancer – a video vignette. Colorectal Dis. 2019 Nov;21(11):1335. Bilgin IA, Yozgatli TK, Aytac E, Ozben V, Baca B, Hamzaoglu I, Karahasanoglu T
  • Complete response after neoadjuvant treatment for rectal cancer. Lancet. 2019 Apr 27;393(10182):1694. Esen E, Karahasanoglu T, Ozben V, Aytac E, Baca B, Hamzaoglu I, Remzi FH.
  • Dealing with the gray zones in the management of gastric cancer: The consensus statement of the Istanbul Group. Turk J Gastroenterol. 2019 Jul;30(7):584-598. Arıcan A, Hamzaoglu I, Baca B, Molinas Mandel N, Saruç M, Göksel S, Demir G, Ağaoğlu F, Yakıcıer C, Özbek U, Özben V, Özyar E, Güner AL, Er Ö, Kaban K Aytaç E, Aslan F, Çicek B, Erdamar S, Gürses B, Güven K, Falay O, Karahasanoğlu T, Selçukbiricik F, Selek U, Atalar B, Balık E, Tözün N, Rozanes İ,
  • Totally robotic ivor-Lewis esophagectomy with intrathoracic robot-sewn anastomosis for cardio-esophageal cancer with the da VINCI XI. Surg Oncol. 2019 Sep;30:139-140. Baca B, Benlice C, Hamzaoglu I, Karahasanoglu T.
  • The da Vinci Xi system for robotic total/subtotal colectomy vs. conventional laparoscopy: short-term outcomes. Tech Coloproctol. 2019 Sep;23(9):861-868 Ozben V, de Muijnck C, Karabork M, Ozoran E, Zenger S, Bilgin IA, Aytac E, Baca B, Balik E, Hamzaoglu I, Karahasanoglu T, Bugra D.
  • Totally robotic ivor-Lewis esophagectomy with intrathoracic robot-sewn anastomosis for cardio-esophageal cancer with the da VINCI XI. Surg Oncol. 2019 Sep;30:139-140. Baca B, Benlice C, Hamzaoglu I, Karahasanoglu T.
  • Totally robotic complete mesocolic excision for right-sided colon cancer. J Robot Surg. 2019 Feb;13(1):107-114. Ozben V, Aytac E, Atasoy D, Erenler Bayraktar I, Bayraktar O, Sapci I, Baca B, Karahasanoglu T, Hamzaoglu I.
  • Simultaneous laparoscopic totally extraperitoneal and transabdominal preperitoneal repair for bilateral inguinal hernia in a patient with a history of robotic prostatectomy – a video vignette. Colorectal Dis. 2018 Nov;20(11):1052-1053. Yozgatli TK, Bilgin IA, Bengur FB, Bas M, Ozben V, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • V-Y advancement flap reconstruction for anal stricture – a video vignette. Colorectal Dis. 2018 Jan;20(1):78-79. Aghayeva A, Atasoy D, Bayraktar O, Cengiz TB, Baghaki S, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Predictive parameters of early postoperative complications in Crohn’s disease: Single team experience. Turk J Gastroenterol. 2018 Jul;29(4):406-410. Atasoy D, Aghayeva A, Bilgin IA, Erzin Y, Bayraktar IE, Baca B, Karahasanoglu T, Hamzaoglu I.
  • Is Robotic Complete Mesocolic Excision Feasible for Transverse Colon Cancer? J Laparoendosc Adv Surg Tech A. 2018 Dec;28(12):1443-1450. Ozben V, de Muijnck C, Esen E, Aytac E, Baca B, Karahasanoglu T, Hamzaoglu I.
  • Portal vein ligation and in situ liver splitting in metastatic liver cancer. Turk J Surg. 2018 Dec 1;34(4):327-330. Aghayeva A, Baca B, Atasoy D, Ferahman S, Uludag S, Bilgin IA, Beyatli S, Mihmanli I, Hamzaoglu I.
  • Top down no-touch” technique in robotic complete mesocolic excision for extended right hemicolectomy with intracorporeal anastomosis. Tech Coloproctol. 2018 Aug;22(8):607-611. Hamzaoglu I, Ozben V, Sapci I, Aytac E, Aghayeva A, Bilgin IA, Bayraktar IE, Baca B, Karahasanoglu T
  • Totally Robotic Versus Totally Laparoscopic Surgery for Rectal Cancer. Surg Laparosc Endosc Percutan Tech. 2018 Aug;28(4):245-249. Esen E, Aytac E, Agcaoglu O, Zenger S, Balik E, Baca B, Hamzaoglu I, Karahasanoglu T, Buğra D.
  • Does Robot Overcome Obesity-related Limitations of Minimally Invasive Rectal Surgery for Cancer? Surg Laparosc Endosc Percutan Tech. 2018 Feb;28(1):e8-e11. Bayraktar O, Aytac E, Ozben V, Atasoy D, Bilgin IA, Erenler Bayraktar I, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Surgery for Intestinal Crohn’s Disease: Results of a multidisciplinary approach. Turk J Surg. 2018 Aug 31;34(3):225-228. Atasoy D, Aghayeva A, Aytaç E, Erenler İ, Celik AF, Baca B, Karahasanoglu T, Hamzaoglu I.
  • Laparoscopic management of bowel obstruction due to multiple congenital adhesion bands in pregnancy – a video vignette. Colorectal Dis. 2018 Nov;20(11):1051-1052. Bengur FB, Bas M, Aktas A, Yozgatli TK, Bilgin IA, Ozben V, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Robotic Versus Laparoscopic Stapler Use for Rectal Transection in Robotic Surgery for Cancer. J Laparoendosc Adv Surg Tech A. 2018 May;28(5):501-505. Atasoy D, Aytac E, Ozben V, Bayraktar O, Erenler Bayraktar I, Aghayeva A, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Robotic ventral mesh rectopexy technique for rectal intussusception with rectocele – a video vignette. Colorectal Dis. 2017 Oct;19(10):947. Atasoy D, Aghayeva A, Bayraktar O, Pirinc N, Aytac E, Baca B, Karahasanoglu T, Hamzaoglu I.
  • Vascular High Ligation and Embryological Dissection in Laparoscopic Restorative Proctocolectomy for Ulcerative Colitis. J Laparoendosc Adv Surg Tech A. 2017 Jan;27(1):33-35. Atasoy D, Aghayeva A, Bayraktar O, Ozben V, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Robotic transanal minimally invasive surgery (R-TAMIS) with the da Vinci Xi System – a video vignette. Colorectal Dis. 2017 Apr;19(4):401. Erenler I, Aytac E, Bilgin IA, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Vascular High Ligation and Embryological Dissection in Laparoscopic Restorative Proctocolectomy for Ulcerative Colitis. J Laparoendosc Adv Surg Tech A. 2017 Jan;27(1):33-35. Atasoy D, Aghayeva A, Bayraktar O, Ozben V, Baca B, Hamzaoglu I, Karahasanoglu T
  • Role of robotic approach for management of complicated jejunoileal diverticulosis – video vignette. Colorectal Dis. 2017 Nov 25. doi: 10.1111/codi.13975. Bilgin IA, Aytac E, Bengur FB, Yozgatli TK, Erenler I, Baca B, Hamzaoglu I, Karahasanoglu T
  • Combined laparoscopic-robotic approach in complex re-operative colorectal surgery – a video vignette. Colorectal Dis. 2017 Jun;19(6):598-599. Bilgin IA, Aytac E, Erenler I, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Totally robotic total mesorectal excision with high vascular tie for rectal cancer – a video vignette. Colorectal Dis. 2017 Dec;19(12):1121-1122. Erenler I, Aytac E, Esen E, Bilgin IA, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Robotic mesocolic excision with a “top to down no-touch” technique for right colon cancer – a video vignette. Colorectal Dis. 2017 Sep;19(9):866-867. Bilgin IA, Aytac E, Erenler I, Atasoy D, Ozben V, Akpunarli B, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Robotic Complete Mesocolic Excision for Splenic Flexure of Colon Cancer. Dis Colon Rectum. 2016 Nov;59(11):1098 Aghayeva A, Baca B, Atasoy D, Bayraktar O, Ozben V, Erguner I, Hamzaoglu I, Karahasanoglu T
  • Increased Caseload Volume is Associated With Better Oncologic Outcomes After Laparoscopic Resections for Colorectal Cancer. Surg Laparosc Endosc Percutan Tech. 2016 Feb;26(1):49-53. Benlice C, Baca B, Firidin SN, Muti A, Aytac E, Erguner I, Erdamar S, Senocak M, Turna H, Hamzaoglu I, Karahasanoglu T.
  • Is da Vinci Xi Better than da Vinci Si in Robotic Rectal Cancer Surgery? Comparison of the 2 Generations of da Vinci Systems Surg Laparosc Endosc Percutan Tech. 2016 Oct;26(5):417-423. Ozben V, Cengiz TB, Atasoy D, Bayraktar O, Aghayeva A, Erguner I, Baca B, Hamzaoglu I, Karahasanoglu T
  • Vascular high ligation and embryological plane dissection in laparoscopic restorative proctocolectomy for ulcerative colitis – a video vignette. Colorectal Dis. 2016 Feb;18(2):218-9. Atasoy D, Baca B, Ozben V, Bayraktar O, Aghayeva A, Aytac E, Karahasanoglu T, Hamzaoglu I.
  • Robotic complete mesocolic excision for right-sided colon cancer Surg Endosc. 2016 Oct;30(10):4624-5. Ozben V, Baca B, Atasoy D, Bayraktar O, Aghayeva A, Cengiz TB, Erguner I, Karahasanoglu T, Hamzaoglu I.
  • Fistula tract curettage and the use of biological dermal plugs improve high transsphincteric fistula healing in an animal model Int J Colorectal Dis. 2016 Feb;31(2):291-9. Benlice C, Yildiz M, Baghaki S, Erguner I, Olgun DC, Batur S, Erdamar S, Ambarcioglu P, Hamzaoglu I, Karahasanoglu T, Baca B
  • Fistula tract curettage and the use of biological dermal plugs improve high transsphincteric fistula healing in an animal model. Int J Colorectal Dis. 2016 Feb;31(2):291-9. Benlice C, Yildiz M, Baghaki S, Erguner I, Olgun DC, Batur S, Erdamar S, Ambarcioglu P, Hamzaoglu I, Karahasanoglu T, Baca B.
  • Robotic total proctocolectomy for ulcerative colitis – a video vignette. Colorectal Dis. 2015 Aug;17(8):736 Baca B, Aghayeva A, Ozben V, Bayraktar O, Atasoy D, Erguner I, Karahasanoglu T, Hamzaoglu I.
  • Visual evoked potentials and pulse wave velocity in inflammatory bowel disease Turk J Gastroenterol. 2015 Jan;26(1):15-9. Aytac E, Buyuktas D, Baysal B, Atar M, Yildiz M, Baca B, Karahasanoglu T, Celik A, Seymen HO, Hamzaoglu I.
  • Robotic single port cholecystectomy (R-LESS-C): experience in 36 patients. Asian J Surg. 2014 Jul;37(3):115-9. Uras C, Böler DE, Ergüner I, Hamzaoglu I.
  • What have we gained by performing robotic rectal resection? Evaluation of 64 consecutive patients who underwent laparoscopic or robotic low anterior resection for rectal adenocarcinoma Surg Laparosc Endosc Percutan Tech. 2013 Jun;23(3):316-9. Erguner I, Aytac E, Boler DE, Atalar B, Baca B, Karahasanoglu T, Hamzaoglu I, Uras C.
  • Total laparoscopic approach for the treatment of right colon cancer: a technical critique. Asian J Surg. 2013 Apr;36(2):58-63. Erguner I, Aytac E, Baca B, Hamzaoglu I, Karahasanoglu T.
  • Hybrid laparo-endoscopic single port transperitoneal right adrenalectomy. Minim Invasive Ther Allied Technol. 2012 Jan;21(1):59-62. Karahasanoglu T, Hamzaoglu I, Baca B, Aytac E.
  • Robotic surgery for rectal cancer: initial experience from 30 consecutive patients. J Gastrointest Surg. 2012 Feb;16(2):401-7. Karahasanoglu T, Hamzaoglu I, Baca B, Aytac E, Erguner I, Uras C.
  • Transvaginal assisted totally laparoscopic single-port right colectomy. J Laparoendosc Adv Surg Tech A. 2011 Apr;21(3):255-7. Karahasanoglu T, Hamzaoglu I, Aytac E, Baca B.
  • Impact of increased body mass index on laparoscopic surgery for rectal cancer Eur Surg Res. 2011;46(2):87-93. Karahasanoglu T, Hamzaoglu I, Baca B, Aytac E, Kirbiyik E.
  • Evaluation of diverting ileostomy in laparoscopic low anterior resection for rectal cancer. Asian J Surg. 2011 Apr;34(2):63-8. Karahasanoglu T, Hamzaoglu I, Baca B, Aytac E, Erenler I, Erdamar S.
  • Association between bactericidal/permeability increasing protein (BPI) gene polymorphism (Lys216Glu) and inflammatory bowel disease. J Crohns Colitis. 2011 Feb;5(1):14-8. Akin H, Tahan G, Türe F, Eren F, Atuğ O, Tahan V, Hamzaoglu I, Imeryüz N, Tözün N, Hamzaoglu HO
  • Recurrent bleeding of parastomal varices: case report. Turk J Gastroenterol. 2011 Jun;22(3):229-32. Karatas A, Kucuk OG, Aytac E, Hamzaoglu I.
  • Single-port laparoscopic sphincter-saving mesorectal excision for rectal cancer: report of the first 4 human cases Arch Surg. 2011 Jan;146(1):75-81. Hamzaoglu I, Karahasanoglu T, Baca B, Karatas A, Aytac E, Kahya AS.
  • Effect of corticosteroid dose and duration of administration on colonic anastomosis. Inflamm Bowel Dis. 2010 Dec;16(12):2162-7. Baca B, Ozben V, Boler DE, Onur E, Hamzaoglu I, Karahasanoglu T, Erdamar S, Atukeren P, Dirican A.
  • Transumbilical totally laparoscopic single-port Nissen fundoplication: a new method of liver retraction: the Istanbul technique J Gastrointest Surg. 2010 Jun;14(6):1035-9. Hamzaoglu I, Karahasanoglu T, Aytac E, Karatas A, Baca B.
  • Analysis of laparoscopic colorectal surgery in high-risk patients Surg Laparosc Endosc Percutan Tech. 2009 Oct;19(5):397-400. Salihoglu Z, Baca B, Koksal S, Hakki Hamzaoglu I, Karahasanoglu T, Avci S, Ozben V.
  • Laparoscopic treatment of pyogenic liver abscess complicating Crohn’s disease: a case report. Turk J Gastroenterol. 2007 Mar;18(1):58-61. Baca B, Hamzaoglu I, Karahasanoglu T, Hamzaoglu HO.
  • Icodextrin and Seprafilm do not interfere with colonic anastomosis in rats. Eur Surg Res. 2007;39(5):318-23. Baca B, Boler DE, Onur E, Akca O, Hamzaoglu I, Karahasanoglu T, Erdamar S, Atukeren P, Dirican A
  • The contributions of virtual colonoscopy to laparoscopic colorectal surgery. Hepatogastroenterology. 2007 Oct-Nov;54(79):1976-82 Baca B, Selcuk D, Kilic IE, Erdamar S, Salihoglu Z, Hamzaoglu I, Karahasanoglu T.
  • Are clips useful in the surgical repair of colonic perforations? Acta Chir Belg. 2005 Aug;105(4):410-2. Altinli E, Saribeyoglu K, Karahasanoglu T, Hamzaoglu I, Aydogan F, Karabicak I, Alemdaroglu K.
  • Perianal problems in patients with ulcerative colitis. Inflamm Bowel Dis. 2005 Sep;11(9):856-9 Hamzaoglu I, Hodin RA.
  • Spiral tacks may contribute to intra-abdominal adhesion formation Surg Today. 2004;34(10):860-4. Karahasanoglu T, Onur E, Baca B, Hamzaoglu I, Pekmezci S, Boler DE, Kilic N, Altug T.
  • Is umbilical flora responsible for wound infection after laparoscopic surgery? Surg Laparosc Endosc Percutan Tech. 2004 Oct;14(5):263-7. Hamzaoglu I, Baca B, Böler DE, Polat E, Ozer Y.
  • Massive haemorrhage induced by low molecular weight heparin in a patient with steroid refractory ulcerative colitis. Scand J Gastroenterol. 2004 Jun;39(6):613. Kaya S, Hatemi I, Hamzaoglu I, Uzunismail H.
  • Is intraluminal clip application an appropriate treatment for iatrogenic gastric perforation? Eur Surg Res. 2003 Jul-Aug;35(4):383-7. Karahasanoglu T, Altinli E, Hamzaoglu I, Aydogan F, Dobrucali A.
  • Does becaplermin (platelet-derived growth factor-BB) reverse detrimental effects of ischemia on colonic anastomosis? Dis Colon Rectum. 2003 Apr;46(4):516-20. Saribeyoglu K, Baca B, Hamzaoglu I, Pekmezci S, Karahasanoglu T, Hamzaoglu H.
  • Enteroclysis-guided laparoscopic adhesiolysis in recurrent adhesive small bowel obstructions. Surg Laparosc Endosc Percutan Tech. 2002 Jun;12(3):165-70. Pekmezci S, Altinli E, Saribeyoglu K, Carkman S, Hamzaoglu I, Paksoy M, Uras C, Korman U, Sirin F.
  • Oral aphthous ulcers after difficult intubation in a patient with Behcet’s disease. Anaesthesia. 2002 Jun;57(6):620-1. Salihoglu Z, Dikmen Y, Demiroluk S, Hamzaoglu I, Paksoy M.
  • The influence of omentectomy on the inflammatory phase of anastomotic healing. Hepatogastroenterology. 2001 Sep-Oct;48(41):1359-63. Paksoy M, Hamzaoglu I, Cubukçu A, Uzun H, Agca B, Polat E, Aydin S, Gümüstas K.
  • Cytomegalovirus infection of gastrointestinal tract with multiple ulcers and strictures, causing obstruction in a patient with common variable immunodeficiency syndrome Dig Dis Sci. 2000 Sep;45(9):1781-5. Tahan V, Dobrucali A, Canbakan B, Hamzaoglu I, Ozaras R, Biyikli M, Dogusoy G, Mert A, Furth EE.
  • Protective covering of surgical wounds with honey impedes tumor implantation Arch Surg. 2000 Dec;135(12):1414-7. Hamzaoglu I, Saribeyoglu K, Durak H, Karahasanoglu T, Bayrak I, Altug T, Sirin F, Sariyar M.
  • Is it possible to resterilize disposable laparoscopy trocars in a hospital setting? Surg Laparosc Endosc Percutan Tech. 2000 Apr;10(2):59-62; discussion 62-5. Ulualp KM, Hamzaoglu I, Ulgen SK, Sahin DA, Saribas S, Ozturk R, Cebeci H.
  • Can laparoscopy be performed safely early after laparotomy? Surg Laparosc Endosc Percutan Tech. 2000 Dec;10(6):379-81. Hamzaoglu I, Saribeyoglu K, Karahasanoglu T, Apaydin B, Bayrak I, Sirin F, Sariyar M.
  • Brown tumor as manifestation of parathyroid hyperplasia in two cases with end-stage renal failure Nephron. 1999;81(3):358-9. Apaydin S, Sariyar M, Erek E, Yigitbas R, Hamzaoglu I, Ulku U.
  • Hypercalcemia and hyperparathyroidism after renal transplantation Nephron. 1999;81(3):364-5. Apaydin S, Sariyar M, Erek E, Ataman R, Yiğitbaş R, Hamzaoglu I, Serdengeçti K, Ulkü U.
  • The role of oxygen free radicals in acute renal failure complicating obstructive jaundice: an experimental study HPB Surg. 1998;10(6):387-93. Yüceyar S, Gümüştaş K, Ertürk S, Hamzaoglu I, Uygun N, Ayaz M, Cengiz A, Kafadar Y.
  • Effect of growth hormone treatment on the healing of left colonic anastomoses in protein-malnourished rats Br J Surg. 1998 Jul;85(7):931-3. Karahasanoglu T, Altinli E, Hamzaoglu I, Paksoy M, Yesildere T, Alemdaroglu K.
  • Restorative caecogastroplasty reconstruction after pylorus-preserving near-total gastrectomy: a preliminary study. Br J Surg. 1997 Mar;84(3):406-9. Uras C, Yigitbasi R, Erturk S, Hamzaoglu I, Sayman H.
Good to Know

Frequently Asked Questions

What is Dr. İsmail Hamzaoğlu's specialty?
Dr. İsmail Hamzaoğlu is a specialist in General Surgery at Acibadem. For a personalised assessment, the Acibadem international patient team can review your medical history and reports and explain the suitable next steps.
Which hospital does Dr. İsmail Hamzaoğlu practise at?
Dr. İsmail Hamzaoğlu sees patients at Acibadem Altunizade Hospital in İstanbul. The international patient team can confirm current availability and help you plan a consultation or visit.
What languages can I use when consulting Dr. İsmail Hamzaoğlu?
Consultations with Dr. İsmail Hamzaoğlu are supported in Turkish and English. In addition, Acibadem provides multilingual coordination and interpreter support so international patients can communicate clearly throughout their care.
How can I book an appointment with Dr. İsmail Hamzaoğlu?
You can request an appointment with Dr. İsmail Hamzaoğlu using the appointment form on this page, or by contacting the Acibadem international patient team by phone or WhatsApp. After you share your details, the team checks availability and confirms your appointment, usually within 24 hours.
Is an online video consultation available with Dr. İsmail Hamzaoğlu?
Yes. Dr. İsmail Hamzaoğlu offers online video consultations, so you can discuss your condition and reports with the specialist before making any travel arrangements. The international patient team can help you schedule a secure video visit.
How many years of experience does Dr. İsmail Hamzaoğlu have?
Dr. İsmail Hamzaoğlu has around 20 years of professional experience in General Surgery. A summary of education, experience and professional memberships is available on this page.
Can international patients arrange treatment with Dr. İsmail Hamzaoğlu?
Yes. Acibadem supports international patients end to end — from the first consultation and treatment planning through appointment scheduling, interpretation during the stay and follow-up after returning home. Sharing your case for an initial assessment is free of charge.
How do I get a second opinion involving Dr. İsmail Hamzaoğlu?
You can request an independent review of your diagnosis and proposed treatment. Share your medical reports through the consultation or "Ask a Doctor" form on this site, and the team will arrange a specialist review and explain the available options.
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Patient Voices

What patients say about Prof. Dr. İsmail Hamzaoğlu

★★★★★From 2,400+ verified patient reviews
★★★★☆ Verified Patient

“I travelled from abroad for laparoscopic surgery and the whole experience was seamless. Prof. Dr. Hamzaoğlu took the time to review my full history before recommending anything. I would recommend this team to anyone.”

Teuta O. · Serbia March 2025
★★★★☆ Verified Patient

“Choosing Acibadem for my colonoscopy was the best decision I made. Prof. Dr. Hamzaoğlu kept me informed and reassured throughout.”

Yousef L. · Kuwait May 2026
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