Halaman 5 - Gastroskopi dengan biopsi Dokter Terbaik - TOP-113 dokter

Dokter adalah seorang ahli gastroenterologi dan spesialis bedah bariatrik terkemuka di Eropa, dengan keahlian dalam berbagai operasi bariatrik. Dengan lebih dari 3.000 operasi untuk pengobatan obesitas, dokter memiliki pengalaman luas di bidang ini.<\/p>

Saat ini, dokter memimpin Klinik Rawat Jalan Obesitas di Rumah Sakit Umum Wina dan Pusat Bedah Metabolik di Rumah Sakit Swasta Confraternitaet.<\/p>

Dokter adalah anggota dari beberapa organisasi bergengsi, termasuk menjabat sebagai Presiden IFSO-European Chapter, dan berafiliasi dengan Asosiasi Obesitas Austria dan American Society for Metabolic & Bariatric Surgery.<\/p>

Dr. Zuhal Cakmak Peksen is a Family Medicine Specialist since 2017. She earned her MD from Çukurova University in 2010. She completed specialty training at Yüzüncü Yıl University between 2013 and 2017. She is currently studying for a bachelor’s degree in Health Management at Anadolu University (2024–present).

She has 15 years of clinical practice (2010–2025) across 8 institutions. Her experience includes research in Family Medicine (2013–2017) and work at several Family Health Centers. Since 2020, she has served at TOKİ Avrupa Family Health Center in Gaziosmanpaşa, Istanbul.

Prof. Ben Boursi is a physician in the Gastrointestinal Cancer Department at Sheba Medical Center. He specializes in internal medicine, medical oncology, and cancer epidemiology. He is board certified in internal medicine and medical oncology. He earned a B.Med.Sc (summa cum laude) and an MD (magna cum laude) from Tel Aviv University.

He completed clinical and research fellowships in GI oncology and cancer epidemiology at the University of Pennsylvania. He also completed electives at MD Anderson and Mayo Clinic. He founded the ECOG-ACRIN Microbiome Working Group. His microbiome-oncology research has been published in leading journals, including Science, and highlighted by ASCO.

He developed predictive models for early diagnosis of colorectal and pancreatic cancers. These models are now in clinical evaluation. He holds an academic appointment at Tel Aviv University. He is also an Associate Scholar at the University of Pennsylvania.

Assoc. Prof. Ayşe İrem Yasin, M.D., is a medical oncologist who specializes in solid tumors. Her clinical focus includes breast, lung, gastrointestinal, gynecologic, and urologic cancers. She also treats brain and other CNS tumors, soft tissue sarcomas, head and neck cancers, adenocarcinomas, melanoma, Merkel cell carcinoma, and cancers of unknown primary. She practices at Medipol Acıbadem District Hospital (2025–present). She previously worked at Şişli Etfal Training and Research Hospital (2023–2025).

She completed a Medical Oncology fellowship at Bezmialem Vakıf University (2019–2022). This followed an Internal Medicine residency at the same institution (2012–2016). Her international experience includes the Breast Cancer Unit at the University of Piemonte Orientale in Novara (2022). She also trained at Basel University Hospital, Cleveland Clinic, and Harvard Medical School. She holds the ESMO Board Certificate (2022).

Education

Studied at the Medical School of the University of Giessen, Germany (1996 - 2003)

Specialization in Pathology (2009)

Specialization in Gastroenterology (2012)

Professional Experience

Resident in Special Pathology at Klinikum Offenbach, Germany (Jul 2003 - Aug 2009)

Resident in Gastroenterology at Klinikum Offenbach, Germany (Aug 2009 - Dec 2012)

Commissioner of the Gastroenterology Clinic at Klinikum Offenbach, Germany Apr 2010 - Aug 2014 (Director: Prof. Dancygier Apr 2010-Mar 2014, Prof. Ell Apr 2014 - Aug 2014)

Senior Attending Physician (Deputy Director) at the Department of Gastroenterology, Kreiskliniken Darmstadt-Dieburg Hospital, Germany Sep 2014 - Dec 2020 (Director Dr. Dotzel)

Director of the Gastroenterology Department at the German Oncology Centre in Limassol, Cyprus (Jan 2021 to date)

Dokter adalah spesialis dalam bedah umum dan visceral, bertugas sebagai ahli bedah di Departemen Bedah Umum di Universitas Kedokteran Wina. Memimpin tim bedah lambung dan esofagus, dokter juga merupakan Kepala Unit Tumor Gastroesofageal di Pusat Kanker Komprehensif di Wina.<\/p>

Dengan lebih dari 240 artikel khusus yang diterbitkan, dokter telah memegang peran penting seperti Sekretaris Jenderal Masyarakat Onkologi Bedah Austria sejak 2014 dan Kepala Layanan GI Atas sejak 2012. Dokter adalah Profesor Madya untuk Bedah dan telah menjadi spesialis dalam bedah GI atas sejak 2007.<\/p>

Dokter menyelesaikan studi kedokteran di Universitas Wina pada tahun 1998, dengan pelatihan di UCLA dan Universitas Pennsylvania. Dari tahun 2000 hingga 2006, dokter menjalani pelatihan sebagai spesialis dalam bidang penyakit dalam di Rumah Sakit Umum Wina, diikuti dengan spesialisasi tambahan dalam gastroenterologi dan hepatologi dari tahun 2006 hingga 2008, dan kedokteran perawatan intensif internal dari tahun 2008 hingga 2010.<\/p>

Pada tahun 2003, dokter mendirikan dan mengelola laboratorium hemodinamika hepatik dan klinik rawat jalan untuk sirosis di Universitas Kedokteran Wina. Sejak tahun 2018, dokter menjadi kepala Departemen Penyakit Dalam I di Rumah Sakit Barmherzigen Brüder Wina.<\/p>

Viral hepatitis A, B, C, D

Cirrhosis

Autoimmune liver diseases

Fatty liver

Diseases of the stomach and intestines

Diseases of the pancreas

Services in the field of biological medicine:

Treatment of various drug-induced liver poisonings, viral hepatitis (hepatitis B, hepatitis C), hepatosis, hepatosterosis, autoimmune hepatitis.

EDUCATION: Azerbaijan Medical University

EXPERIENCE:

2009-2010 General practitioner in a private clinic.

Clinic of biological medicine since 2011.

TRAINING AND MEMBERSHIP:

In 2013-2014, internship on viral hepatitis at the Department of Microbiology and Infection, as well as at the Department of Gastroenterology, Faculty of Medicine, Ege University, Turkey.

Ankara Hacettepe Hospital

Specializations

Cancer Surgery

Pancreatic Surgery

Bile Duct Surgery

Bariatric Metabolic Surgery

Oncological Surgery

Breast Surgery

Gastric cancer

Colon cancer

Thyroid Cancer

Obesity Surgery

Diabetes Surgeries

Position:

Associate Professor ,

General Surgery Department

ISTANBUL MEDIPOL UNIVERSITY PENDIK HOSPITAL General Surgery Department

PERSONAL INFORMATION

Birth Date: 14.05.1982 

Place of Birth      : Şanlıurfa, Türkiye

Married, father of one.

CITIZENSHIP:

Republic of Turkey

EDUCATION:

Specialization:

General Surgery Department

Istanbul Kartal Dr. Lütfü Kırdar Training and Research Hospital (2009- 2014)

University

Istanbul University Istanbul Faculty of Medicine (20022008)

Anadolu University Faculty of Business Administration - Administration of Health Institutions (2013-2015)

Anadolu University Faculty of Open Education Department of Law (2016-)

High school

Erzincan Science High School (1998-2002)

Working Experience:

ERZINCAN NEVZAT AYAZ SCIENCE HIGH SCHOOL 1998-2002

ISTANBUL UNIVERSITY ISTANBUL FACULTY 2002-2009

GENERAL SURGERY ASSISTANT ISTANBUL KARTAL DR. LUTFI KIRDAR TRAINING AND RESEARCH HOSPITAL 2009-2014

SPECIALIST PHYSICIAN MEDENIYET UNIVERSITY GOZTEPE TRAINING AND RESEARCH HOSPITAL 2014-2015

CHIEF PHYSICIAN T.R.  MINISTRY OF HEALTH SILOPI STATE HOSPITAL 2015-2016

SPECIALIST PHYSICIAN T.R. MINISTRY OF HEALTH DERINCE TRAINING AND RESEARCH HOSPITAL, 2018-2020

SPECIALIST PHYSICIAN SANLIURFA MEHMET AKIF INAN TRAINING AND RESEARCH HOSPITAL 2016-2018

ASSOCIATE PROFESSOR ISTANBUL KARTAL DR. LUTFI KIRDAR CITY HOSPITAL 2020-2023

İSTANBUL MEDIPOL UNIVERSITY PENDIK HOSPITAL 2023-

PUBLICATIONS

National and International Articles

1 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2021). Inguinal hernia repair via laparoscopic transabdominal preperitoneal (TAPP) method: Our 2 years clinical results. Annals of Medical Research, 28(4), 812-815., Doi: 10.5455/annalsmedres.2020.05.443

2 SAĞIROĞLU ŞÜKRİYE JÜLİDE, ÖZDEMİR TUĞRUL, ATAK TUBA, GÖK MEHMET ALİ, ORHUN ERDOĞAN KIVILCIM, EREN TURGUT TUNÇ, ALİMOĞLU ORHAN (2016). Laparoscopic Total Extraperitoneal Inguinal Hernia Repair Without Mesh Fixation: Report of Early Outcomes. SouthernPrint Date :22/10/2022 17:41:41 Clinics of Istanbul Eurasia, 27(3), 215-219., Doi: 10.14744/scie.2017.64872 

3 ÇİFTÇİ ALİ, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2022). Management of Acute Biliary Pancreatitis in Cholecystectomized Patients. Bezmiâlem Science, 10(4), 507-511. Doi: 10.14235/ bas galenos. 2021.6708

4 GÖK MEHMET ALİ, YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, KOCAOĞLU AYTAÇ EMRE (2022). Gastrointestinal Stromal Tümörlerde İmmünohistokimyasal Markırların ve Tümör Boyutunun Prognoz Üzerindeki Rolü. Kocaeli Tıp Dergisi, 10(2), 101-104. M-784-1650 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). Laparoscopic transabdominal preperitoneal repair of strangulated femoral hernia: Superiority of an unusual emergency surgical approach due to a case. Annals of Medicine and Surgery, 36(1), 110-112.

5 GÖK MEHMET ALİ, KARADAYI BÜYÜKÖZSOY AYŞEGÜL, KAFADAR MEHMET TOLGA (2022). The sensitivity of ultrasound in the clinical diagnosis of inguinal hernias in adults: a comparative study. Journal of Ultrasound, 1-4., Doi: 10.1007/s40477-021-00641-4

6 KARADAYI BÜYÜKÖZSOY AYŞEGÜL, KARATAY EMRAH, GÖK MEHMET ALİ (2022). Comparison of the Effectiveness of Ultrasound Imaging and Perioperative Measurement in the Diagnosis and Characterization of Incisional Hernia. Journal of Medical Ultrasound, 1-5.

7 GÖK MEHMET ALİ, DEMİR MUSTAFA, YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, ŞENOL METİN, KOCAOĞLU AYTAÇ EMRE, AKIN EMRAH (2022). Endoscopic Intra-gastric Botulinum Toxin A for Obesity Treatment: IsIt Effective?. Kocaeli Tıp Dergisi, 11(2), 149-152.

8 GÖK MEHMET ALİ, KARATAY EMRAH, ÇİFTÇİ ALİ (2022). İnguinal Hernilerde Balonsuz ve Mesh Sabitleyicisiz Laparoskopik Total Ekstraperitoneal Onarımın Cerrahi Deneyim ile Korelasyonu. Dicle Medical Journal, 49(3), 498-503., Doi: 10.5798/dicletip.1170263

9 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). Effects of Carvedilol on Liver İschemiaReperfusion İnjury in Rats. Ulusal Travma ve Acil Cerrahi Dergisi-Turkish Journal of Trauma & Emergency Surgery, 28(7), 885-893.

10 ŞENOL METİN, GÖK MEHMET ALİ (2022). Small Bowel Obstruction due to Phytobezoar. Kocaeli Tıp Dergisi, 11(2), 1-6.

11 KARATAY EMRAH, GÖK MEHMET ALİ, JAVADOV MIRKHALIG (2021). Measurement of hiatal surface area and other hiatus oesophageal diameters at computed tomography imaging in patients with gastroesophageal reflux disease and its relationship with hiatal hernia. Journal of Minimal Access Surgery, 17(4), 537-541., Doi: 10.4103/jmas.JMAS_175_20

12 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2021). Perforated colorectal cancers; clinical outcomes \nof 18 patients who underwent emergency surgery. Gastroenterology Review, 16(2), 161-165., Doi: 10.5114/pg.2021.106667

13 YEĞEN SERKAN FATİH, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2020). Comparison of Perioperative Standard and Immunomodulating Enteral Nutrition in Patients Received Major Abdominal Cancer Surgery: a Prospective, Randomized, Controlled Clinical Trial. Indian Journal of Surgery, 82, 828-834., Doi: 10.1007/s12262-020-02114-0 

14 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2020). Effects of Preoperative Oral Carbohydrate Loading on Preoperative and Postoperative Comfort in Patients Planned to Undergo Elective Cholecystectomy: A Prospective Randomized Controlled Clinical Trial. Iranian Red Crescent Medical Journal, 22(11), 1-6., Doi: 10.32592/ircmj.2020.22.11.107

15 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, YEĞEN SERKAN FATİH (2019). Comparison of negative-pressure incision management system in wound dehiscence: A prospective, randomized, observational study. Journal of Medicine and Life, 12(3), 276-283., Doi: 10.25122/jml-2019-0033

16 KAFADAR MEHMET TOLGA, YALÇIN METİN, DADÜK YILDIRAY, SOYALP MURAT, GÖK MEHMET ALİ (2018). Laparoscopic Cholecystectomy for Acute Cholecystitis in Situs Inversus Totalis: An Extraordinary Approach. Eurasian Journal of Emergency Medicine, 17(2), 82-84.

17 KAFADAR MEHMET TOLGA, TEKER İBRAHİM, GÖK MEHMET ALİ, UĞURLU ESAT TAYLAN, ÇETİNKAYA ISMAİL (2018). Atraumatic splenic rupture secondary to abscess in a hemodialysis patient: a rare and fatal cause of acute abdomen diagnosed late. Journal of Surgical Case Reports,5, 1-3., Doi: 10.1093/jscr/rjy103

18 KAYA FERUDUN, KAFADAR MEHMET TOLGA, KISMET KEMAL, GÖK MEHMET ALİ, ERTAŞ ERTUĞRUL (2018). Congenital Transmesenteric Hernia Without Bowel Strangulation in a Young Adult. The Medical Bulletin Of Haseki, 56(4), 337-340., Doi: 10.4274/haseki.galenos.2022.8361

19 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, GÜNEŞ ABDULLAH (2018). Laparoscopic treatment of hepatic hydatid disease: Şanlıurfa-Turkey experience and early clinical outcomes. Laparoscopic Endoscopic Surgical Science, 25(3), 98-102., Doi:14744/less.2018.4353171203046744-1078.03 Basım Tarihi 22/10/2022 17:41:41 Sayfa: 2

20 KAFADAR MEHMET TOLGA, YALÇIN METİN, GÖK MEHMET ALİ, AKTAŞ AYŞEGÜL, YÜREKLİ TACİTTİN SEMİH, ARSLAN AYŞEGÜL İSAL (2017). intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor. intraparenchymal Leiomyoma of the Breast: A Rare Location for an Infrequent Tumor, 13(3), 156-168., Doi: 10.5152/ejbh.2017.3472

 21 GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA, ÖTER VOLKAN (2017). Early-term elective laparoscopic resection after endoscopic detorsion in cases with sigmoid colonic volvulus. Annals of Clinical and Analytical Medicine, 8(6), 492-495., Doi: 10.4328/JCAM.5231

22 KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ, ÖTER VOLKAN (2017). Late-diagnosed penetrating stab Wounds in diaphragm and herniation. Annals of Clinical and Analytical Medicine, 8(4), 367-369., Doi: 10.4328/JCAM.5103

23 ANADOLULU ALİ İHSAN, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ, ANADOLULU ZEYNEP (2017). Laparoscopic spleen-preserving distal pancreatectomy with splenic vessel preservation for pancreatic pseudocyst in a 10-year-old boy. Journal of Pediatric Surgery Case Reports, 34(1), 10-12.

Proceedings

National and International Proceedings

İnguinal Hernilerde Total Ekstraperitoneal Onarımda Balon Disseksiyonu ile Teleskopik Disseksyonun   Kıyaslanması, KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2022). 22.. Ulusal Cerrahi Kongresi, 

İNSİZYONEL HERNİLERDE LAPAROSKOPİK VE KONVANSİYONEL ONARIM YÖNTEMLERİ ARASINDAPOSTOPERATİF AĞRI, GÖK MEHMET ALİ, JAVADOV MIRKHALIG (2021). 8.. Ulusal Fıtık Kongresi

Laparaskopık total ekstraperıitoneal (TEP) onarımında redükte edilemeyen keseler enerji

cıihazıyla lıigate edılebırlıir mı , KAFADAR MEHMET TOLGA, GÖK MEHMET ALİ (2019). 7..

Ulusal Fıtık Kongresi

TEK İNSİZYON LAPARASKOPİK TOTAL EKSTRAPERİTONEAL İNGUİNAL HERNİ ONARIMI DENEYİMİMİZ, GÖK MEHMET ALİ, DEMİR MUSTAFA (2019). 14.. Endoskopik Laparoskopik Cerrahi Kongresi

Laparaskopik Sleeve Gastrektomide 3D Görüntüleme Sisteminin Etkiniliği , GÖK MEHMET ALİ, KAYA FERUDUN, KAFADAR MEHMET TOLGA, AKSOY BAŞAR (2017). 2.. Bariatrik ve Metabolik Cerrahi Kongresi

İnsizyonel hernide laparaskopik preperitoneal onarım, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2017).. 9.. Cerrahi Araştırma Kongresi

ERCP Yapılan Kist Hidatikli Hastalarda Kist Küçülür mü, YALÇIN METİN, GÖK MEHMET ALİ, KAFADAR MEHMET TOLGA (2017).. 13.. Türk Hepatopankreatobilier Cerrahi Kongresi

İnsizyonel Hernilerde TAPP Onarım Mümkün mü, GÖK MEHMET ALİ, AKSOY BAŞAR, KAFADAR MEHMET TOLGA, YALÇIN METİN (2017).. 6.. Ulusal Fıtık Kongresi, (Özet bildiri)

HİATAL HERNİLERDE LAPAROSKOPİK YAKLAŞIM, GÖK MEHMET ALİ, YALÇIN METİN, KAFADAR MEHMET TOLGA, YILMAZ TACETTİN SEMİH, AKTAŞ AYŞEGÜL (2017).. 13.. Endoskopik Laparoskopik Cerrahi Kongresi

KLİNİĞİMİZDE İNGUİNAL HERNİDE 3 TEKNİĞİN KARŞILAŞTIRLMASI, YALÇIN METİN, GÖK MEHMET ALİ, ÇEKİÇ TOLGA FARUK, KABALAK BİLAL, ÖTER VOLKAN, AKTAŞ AYŞEGÜL (2017). Ulusal Endoskopik Laparoskopik Cerrahi Kongresi

Kolon Divertikül  Perforasyonlarında Hartmann Prosedürü veya Primer Anastomoz? , GÖK MEHMET ALİ, KEŞKÜŞ BRAHIM H. HÜDAVERDI, BÖZKURT AHMET ÇAĞLAR, YALÇIN METİN, YILMAZ TACETTİN SEMİH (2017).. 11.. Ulusal Travma ve Acil Cerrahi Kongresi, (Özet bildiri)

GASTROİNTESTİNAL PREKANSEROZ LEZYONLARDA ENDOSKOPİK MUKOZAL REZEKSİYONUN ROLÜ, ORMAN SÜLEYMAN, GÖK MEHMET ALİ, EREN TURGUT TUNÇ, LEBLEBİCİ METİN, ALİMOĞLU ORHAN (2015). 12.. Ulusal Endoskopik Laparoskopik Cerrahi Kongresi

PİYES MAMAOGRAFİSİNDE KİTLE YOK! NE YAPILMALIM, ESER MEHMET, HATİPOĞLU HAYAT, GÜNDOĞAN ERSİN, GÖK MEHMET ALİ, ÇETİN KENAN, ACAR AYLİN, TAN SEDAT, BİLDİK NECDET (2014).. 19.. Ulusal Cerrahi Kongresi

LAPAROSKOPİK KOLESİSTEKTOMİ YAPILAN HASTALARDA TROKAR YERİ FITIĞI GELİŞİMİNDE ETKİLİ OLABİLECEK FAKTÖRLERİN ARAŞTIRILMASI, GÖK MEHMET ALİ, KÜNDEŞ MUHAMMED FİKRİ, KEMENT METİN, ATICI ALİ EMRE, KAPTANOĞLU LEVENT, İLHAN NOYAN, CAN UĞUR, BİLDİK NEJDET, VURAL SELAHATTİN (2014).. 19.. ULUSAL CERRAHİ KONGRESİ 

Books

Written sections in international books

1)Genel Cerrahide Nadir Görülen Acil ve Elektif Vakalar, Bölüm adı:(Akciğere Fistülize Karaciğer Kist Hidatik Vakasına Acil Laparoskopik Yaklaşım) (2020)., COŞKUN MURAT, GÖK MEHMET ALİ,

Akademisyen Yayınevi, Editör: Ender ANILIR Mehmet BAYRAK Mehmet Tolga KAFADAR Mert TANAL Ali Emre NAYCI Hüseyin KILAVUZ Özlem Öndeş BAYAR, Basım sayısı:1, Sayfa Sayısı 655, ISBN:978- 625-7275-23-1, Türkçe(Bilimsel Kitap)

2)Gastrointestinal Sistem Kanserlerinin Cerrahisi, Bölüm adı:(Karaciğerin Primer Solid MalignNeoplazileri) (2020)., GÖK MEHMET ALİ, Akademisyen Yayınevi, Editör: Hüseyin Özgür AYTAÇ, Basım sayısı:1, Sayfa Sayısı 404, ISBN:978-605-258-949-6, Türkçe (Bilimsel Kitap)

3)Gastrointestinal Sistem Tümörleri-1, Bölüm adı:(ERKEN EVRE HASTALIKTA CERRAHİ TEDAVİ) (2019)., GÖK MEHMET ALİ, Akademisyen Yayınevi, Basım sayısı:1, Sayfa Sayısı 493, ISBN:978-605-258-551-1, Türkçe (Bilimsel Kitap)

Editorship

1) Minimal İnvaziv Cerrahi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 22.10.2020-15.07.2021

2. YENİ NESİLCERRAHİ, Kitap, Editör, Akademisyen Kitapevi A.Ş., 15.06.2021-15.08.2022

3. Onkolojik Cerrahi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 05.04.2021-05.12.2021

4.. Fıtık Cerrahisi, Kitap, Editör, Akademisyen Kitapevi A.Ş., 07.04.2020-07.11.2020

Certificates

Hernia A to Z Fundemantals Hands on Workshop, Laparoscopic Hernia Surgery Experience Certificate in Cadaver was awarded by the European Hernia Society.

. DUBAİ/ U.A.E, 28.11.2018 

CADAVER TRAINING EVENT IN COLON AND RECTAL SURGERY, Robotic Colorectal Surgery in Cadaver training certificate was given.  STONY BROOK UNİVERSİTY / NEWYORK/ USA,.04.2016

Memberships in Scientific Organizations:

1.. Turkish Society of Colon and Rectum Surgery, Member, 2020

2.. Turkish Surgical Association, Member, 2014

Gastroenterology

Pendik Medipol University Hospital

Education

1999 Karadeniz Technical University, Gastroenterology

1997 Atatürk University, Internal Diseases Professorship

1992 Atatürk University, Internal Diseases Associated Professorship

1985 Atatürk University, Internal Diseases Specialist

1981 Atatürk University Faculty of Medicine

Publications

1- Nihat Okçu Gülçin Polat, Arif Yılmaz, Mehmet Koruk, The demographic features of gastric cancers in Erzurum(Eurasian J Med 2000; 32: 63-65)

2- An Evaluation of Upper Gastrointestinal Bleeding Cases. Clinical Sciences-Doctor.2000, - E.akarsu,N.Okçu,et Ark.Northeast Anatolia 6:4:435-438

3-N.Okçu, A.yılmaz. İ.kiki,MDonuk, C.gündoğdu, H.uzunismail. Our Diagnostic Upper Gastrointestinal Endoscopy Results. Atatürk University Medical Journal 1997,29 (2):486

4-N. Okçu, M.gündoğdu, MD onuk, İ.kiki, l.cerrahoğlu, k.yılmaz, I. çapoğlu. The Role of Misoprostol in Preventing Gastroduodenal Lesions in Patients Using Nonsteroidal Anti-Inflammatory Drugs (NSAIDs). Atatürk University Medical Journal 1997,29 (2):453-455.

5-N.Okçu, A. Öz, MD Onuk, E.Akarsu, B. Tekin, Hz Tonbul, H.Kaya. Plasma Fibronectin Levels in Chronic Active Hepatitis and Decoction of Liver Parenchymal Insufficiency and Their Relationship with Liver Functional Status. Turkish J. Gastroenterol 1995;27(4): 422-426.

6-N.Okçu, Tahir Buran, MD Onuk, A. Yılmaz, E.Akarsu, G. Akçay. Prevalence of Helicobacter Pylori in Patients with Duodenal Ulcer in Erzurum and Surrounding Area. Turkish J. Gastroenterol 1995;27(4): 447-450.

7-N.Okçu, bs awake, e. akarsu, e. bakan, z. tonbul. Importance of Carbohydrate Antigens (CA-19-9, CA-125), Carcinoembryonic Antigen (CEA) and Alkaline Phosphatase in Gastric and Colorectal Cancers. Turkish J. Gastroenterol 1995;6:467-471.

8-N. Okçu, MD Onuk, E. Akarsu, H. Doğan, C. Gündoğdu. Major Risk Factors in Patients with Hepatocellular Carcinoma in Our Region. Gastroenterology 1994;5(2):154-157

9-N.Okçu, md. Onuk, e. akarsu, h. doğan, c.gündoğdu, tahir buran. Frequency of gastric carcinoma in Erzurum region, endoscopic and histological features. Gastroenterology 1994;5(2):263-267.

10-N. Okçu, MD Onuk, Tahir Buran, E. Akarsu, MA Çiftçioğlu. Frequency of Helicobacter Pylori in Nonspecific Gastritis Cases in Erzurum Province. Gastroenterology 1994;5(2):211-213.

11-N.Okçu, MD Onuk, Ö. Ünal, E. Akarsu, L. İncesu, K. Akgöz. Diagnostic Value of Ultrasound-Guided Fine Needle Aspiration Biopsy in Intra-Abdominal Mass Lesions. Gastroenterology 1993;4(1):166-68.

12-NOkçu, md. onuk, m. polat, a. yılmaz, m. gündoğdu, m. paç. Budd-Chiari Syndrome (2 Cases). Turkish J Gastroenterhepatol 1993; 4(1):77-80.

13-N.Okçu, H. Koçak, MD Onuk, M. Gündoğdu, E. Bakan, A. Yılmaz, A. Başoğlu, A. Ateş, F.A. Paç. The Effect of Atrial Pressure Changes and Cardiac Nerves on Plasma Atrial Natriuretic Peptide (ANP) Levels. Vascular Surgery 1993; 27(2): 128-132

15-N.Okçu, MD Onuk, A.Yılmaz, M. Gündoğdu, T. Buran. Effects of Omeprozole and Ranitidine on Peptic Ulcer Healing. Doğa-Tr.J. of Medical Sciences 1992;16:657-658.

16-N. Okçu, Mr. Yiğitoğlu, B. Adam, E. Bakan. The Effect of Digixin on Plasma Atrial Natriuretic Peptic Level in Patients with Congestive Heart Failure. S.Ü. Medical Faculty Journal 1991;7(2):243-247..

17-N.Okçu, A. Yılmaz. The Effect of Histamine H2 -Receptor Antagonists in Upper Gastrointestinal System Bleeding. Endoscopy Journal 1991;2(4):17-23.

18-N.Okçu, E. Bakan, B. Adam, A. Yılmaz, Mr. Yiğitoğlu. Sex Hormones and Sex Hormone Binding Globulin Levels in Patients with Chronic Hepatitis and Liver Cirrhosis (Letter to the Editor). Nature-Tr. J. Of Medical Sciences 1991;15:1-2.

19-N.Okcu Ömer Yılmaz.Helıcobacter pylori and related gastrointestinal system diseases. Turkish Clinics JMed Sci. 2013;33(3):806-13

20-Nihat Okçu, Ömer Yılmaz, Hakan Dursun, Gülçin Polat. The relationship between dyspeptic symptoms, nutritional habits, endoscopic and histological findings (Eurasian J Med 2006; 38: 13-17)

21-Mehmet Bilici,1Nihat Okcu,1Kerim Cayir,1Ibrahim Pirim,2Salim B. Tekin,1andCemal Gundogdu3 - Distribution of HLA Tissue Groups in Patients with Gastric Cancer Eurasian J Med. 2010 Apr; 42(1): 9.11.

22-Nihat Okcu,Abdulhalim Bak,Mehmet Sari,Mehmet Arslan,Sait Kapicioglu:The fibroblast proliferation, relationship of hepatocyte growth factor (HGF) and interferon-A2A Gastroenterology April 2000Volume 118,Issue 4, Part 2, PageA1404

23-Kubra Kaynar,Sait Kapicioglu,Mehmet Sari,Nihat Okcu,Abdulhalim Baki. The effect of fish oil on stress ulcer prophylaxis GastroenterologyVolume 118, Issue 4, Part 2, PageA1255

Dr. Osman Aktas has been serving as a general surgeon at Ataşehir Avicenna Hospital since 2005. Born in Kayseri in 1960, he graduated with his medical degree from Ankara University in 1983. Following his graduation, he fulfilled his military service in medical units for two years. He completed his general surgery residency at GATA from 1986 to 1990. After specializing in general surgery, He held key positions as head of general surgery departments and chief physician in several prominent military hospitals, including Tatvan, Diyarbakır, Ankara, and Manisa.

Dr. Osman has had a special focus on endoscopic surgery since 1995. He received advanced training in laparoscopic surgery techniques in Germany and has successfully performed a wide range of laparoscopic procedures. His expertise extends to gallbladder surgery, abdominal wall and inguinal hernia repairs, appendicitis, reflux and stomach surgeries, as well as complex cases such as gastrointestinal tumors, intestinal obstructions, and various other intestinal diseases, all managed through minimally invasive methods.

In 2002, Dr. Osman transitioned to the private sector, where he broadened his practice to include modern treatments for anal diseases like hemorrhoids, fistulas, and fissures, utilizing advanced techniques such as laser therapy.

Dr. Osman is also recognized for his significant contributions to oncological surgery. He has a wealth of experience in the surgical treatment of various cancers, including breast and thyroid cancer, where he has implemented new treatment methods that reduce the risk of complications. His surgical expertise spans critical cancer surgeries, such as the Whipple procedure for pancreatic cancer, colorectal cancer resections, gastric cancer, and other complex malignancies. Additionally, his skills in metabolic surgery have led to lasting outcomes for patients suffering from obesity and diabetes, ensuring a better quality of life through sustained weight loss and reduced risk of diabetes.

With his vast experience and advanced skills in both laparoscopic and cancer surgeries, Dr. Osman remains at the forefront of surgical excellence, offering innovative and comprehensive care to all his patients.

Dr. Abu Shamsiya Rami Nuamanovych is a specialist in general and laparoscopic surgery, oncology, and ultrasound diagnostics. He is a Candidate of Medical Sciences, an associate professor, and a doctor of the highest category. Dr. Nuamanovych is a member of the Ukrainian Association of Bariatric Surgeons and the World Organization of Bariatric Surgeons (IFSO).

He works as a WHO consultant on laparoscopic surgery. He is also President of the Association of Arab Doctors of Ukraine. Dr. Nuamanovych has performed thousands of surgeries, including hernia repairs, bariatric procedures, and cancer operations. His skills are recognized internationally. He speaks English and Arabic fluently.

Dokter ini memiliki 17 tahun pengalaman dalam Bedah Saluran Pencernaan Atas dan Penurunan Berat Badan, menjadi salah satu yang pertama di India yang dilatih dalam Banded Bypass, Banded Sleeve Gastrectomy, dan Mini Gastric Bypass di Los Angeles, AS. Dia melakukan Sleeve Gastrectomy inovatif dengan bypass Duodeno-jejunal, yang dikenal efektif dalam penurunan berat badan dan resolusi Diabetes Mellitus Tipe II, terutama untuk pasien vegetarian. Dilatih di Italia untuk Bedah GI Robotik, dia memanfaatkan teknik canggih untuk presisi dan pemulihan.<\/p>

Mempraktikkan Bedah Penurunan Berat Badan dan Metabolik dengan Teknik Minim Invasif sejak 2009, hanya 1% dari pasiennya mengalami morbiditas signifikan, sejalan dengan standar global. Lebih dari 90% pasien diabetes mempertahankan gaya hidup sehat tanpa insulin atau obat oral.<\/p>

Dokter ini menangani kasus bariatrik kompleks, termasuk Sleeve Gastrectomy, Gastric Bypass, dan Bedah Bariatrik Revisi. Dia terampil dalam bedah GI atas dan biliopankreatik yang canggih, minim invasif, dan robotik, dengan banyak publikasi dan presentasi internasional.<\/p>

Departemen bedah bariatrik disertifikasi sebagai pusat keunggulan oleh International Excellence Foundation.<\/p>

Education

MSc Faculty of Medicine (ING) Hacettepe University 1991-1997
Specialization Department of Pediatrics Dicle Universityniversitesi 1997-2002
Minor Cerrahpaşa Faculty of Medicine Pediatric Hematology & Oncology Department Istanbul University 2006-2009
Bone Marrow Transplant Unit MP Göztepe Hospital 2012-2013

Experience

Assistant Professor
Afyon Kocatepe University/Faculty of Medicine/Internal Medical Sciences
2003-2009 Department/ÇDepartment of Pediatrics)

Assistant Professor
Istanbul University/Cerrahpaşa Faculty of Medicineltesi/Internal Medical Sciences
2006-2009 Department of Pediatrics)

Pediatric Hematology Specialist Diyarbakır Children's Hospital, Pediatric Hematology compulsory service 2009-2012
Transfer Ünitesi Assistant Hematology Specialist Private Medical Park Göztepe Hospital Bone Marrow Transplant Unit Assistant Responsible Pediatric Hematology Specialist
2012-2013

Assistant Professor
Akdeniz University / Faculty of Medicine / Department of Internal Medical Scienceslümü/Department of Pediatrics)
2013-2014

Assistant Professor Marmara University/Faculty of Medicine/Department of Internal Medical Sciences/Department of Pediatrics) 2014-2024

Scientific Memberships

Turkish Society of Hematology
Turkish Pediatric Hematology Association
Marmara Pediatric Association
Turkish Pediatric Society
Istanbul Medical Chamber
EBMT (European Bone Marrow Transplantation)

Education

Doctor: Kilis Merkez No. 1 Health Center, 2006-2008
Assistant Doctor: Mersin University Faculty of Medicine, 2009-2013
Specialist Doctor: Bingöl Genç State Hospital, 2013-2014
Minor Assistant: Akdeniz University Faculty of Medicine, 2014-2017
Minor Specialist: Erzurum Regional Training and Research Hospital, 2017-2018
Subspecialist: Gaziosmanpaşa Training and Research Hospital, 2018-2020
Attending Specialist: Başakşehir Çam and Sakura City Hospital, 2020-2022
Associate Professor: Başakşehir Çam and Sakura City Hospital, 2023
Associate Professor: Istinye University Medicalpark Gaziosmanpaşa Hospital, 2023-2024

Scientific Memberships

Turkish Pediatric Society
Turkish Society for Pediatric Gastroenterology Hepatology and Nutrition
ESPGHAN - European Society for Pediatric Gastroenterology Hepatology and Nutrition.

Medical Intrests

• 
  -Irritable (Restless) Bowel Syndrome
• -Food allergies associated with the digestive system
• -Constipation, faecal incontinence
• -Acute and chronic diarrhoea, malabsorption
• -Chronic abdominal pain
• -Gastroesophageal reflux disease
• -Celiac disease
• -Ulcerative colitis, Crohn's disease
• -Treatment before and after liver transplantation
• -Acute and chronic pancreatitis

Education

Cumhuriyet University Faculty of Medicine, 2004
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine Residency, 2010
Karadeniz Technical University Faculty of Medicine Medical Oncology Residency, 2015

Experience

MD Andeson Cancer Center, USA, 2008
Sunnybrook Odette Cancer Center Breast Cancer Clinic, Canada, 2017
Moffit Cancer Center , USA 2022
Istanbul Haydarpaşa Training and Research Hospital Internal Medicine, 2010
İdil State Hospital Internal Medicine Clinic, 2011
Karadeniz Technical Universityniversitesi Faculty of Medicine, Medical Oncology Clinic, 2015
Istanbul Göztepe Training and Research Hospital, Medical Oncology Clinic, 2018
Yeniyüzyıl University Gaziosmanpaşa Hospital, Medical Oncology Clinic, 2020
Ataşehir Medicana Hospital, Medical Oncology Clinic, 2022

Scientific Membership

Turkish Medical Association (TTB)
Turkish Society of Medical Oncology (TTOD)
European Society for Medical Oncology (ESMO)
American Society of Medical Oncology (ASCO)

Medical Intrests

• Breast Cancer
• Lung Cancer
• Colon Cancer
• Stomach Cancer
• Rectal Cancer
• Ovarian Cancer
• Liver Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Kidney Cancer
• Larynx Cancer - Cancer of the Larynx
• Thyroid Cancer
• Head and Neck Cancers
• Gynaecological Cancers
• Pancreatic Cancer
• Oesophageal Cancer - Oesophageal Cancer
• Uterine Cancer
• Brain Cancers - Brain Tumours
• Soft Tissue Cancer - Sarcomas
• Prostate Cancer
• Bladder Cancer
• Bile Tract Cancer
• Testicular Cancer
• Cervical Cancer
• Mouth, Tongue, Lip Cancers
• Gastrointestinal System Cancers
• Bone Tumours
• Trachea and Bronchial Cancers
• Skin Cancers - Skin Cancers
• Skeletal System Tumours
• Gallbladder Cancer
• Mesothelioma

Dr. Holovyna Svitlana is a gastroenterologist and nutritionist with more than 23 years of experience. She is a member of the Association of Dietitians and Gastroenterologists of Ukraine. She also belongs to the European Association for the Study of the Liver (EASL) and the Association of Preventive and Anti-Age Medicine.

Dr. Holovyna diagnoses and treats gastrointestinal disorders, metabolic diseases, and nutrition-related issues. She uses an integrated and evidence-based approach. Her focus is on restoring digestive health, managing chronic conditions, and improving patient well-being with personalized diet and treatment plans.

Areas of Interests

• Pituitary Diseases
• Thyroid Diseases
• Obesity
• Diabetes
• Female and Male Reproductive System Diseases
• Parathyroid Diseases
• Adrenal Gland Diseases
• Osteoporosis and Metabolic Bone Diseases

Education:

• Hacettepe University Faculty of Medicine
• Bezmialem Foundation University
• Health Sciences University Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Cleveland Clinic, The Endocrinology and Metabolism Institute observer physician
• University of Piemonte Orientale, SCDU Endocrinology, Italy, observer physician
   

Experience:
 

• Mehmet Akif Inan Training and Research Hospital
• Bakirkoy Dr. Sadi Konuk Training and Research Hospital
• Bezmialem Vakif University Hospital
• Malatya State Hospital