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. Cagdas Erdogan is a gastroenterologist at Ankara Etlik City Hospital. He trained in Internal Medicine and Gastroenterology. He earned his MD from Dokuz Eylul University. He completed his Internal Medicine residency from 2014 to 2019. He then completed a Gastroenterology fellowship at Ankara City Hospital from 2019 to 2022. His clinical focus includes advanced endoscopy (ERCP, EUS, EMR, ESD, POEM, EGD, colonoscopy, double-balloon enteroscopy), inflammatory bowel disease, and hepatology.

He has about 40 publications. His work appears in The Turkish Journal of Gastroenterology, Scientific Reports, Endoscopy, and Digestive Diseases and Sciences. Notable studies address vedolizumab in IBD and prophylaxis for post-ERCP pancreatitis. He also reported a 13-year Crohn’s cohort comparing infliximab and adalimumab. Additional work covers outcomes with an adalimumab biosimilar and innovative endoscopic therapies (MCA via double-balloon enteroscopy, holmium laser for Bouveret syndrome, POEM for Zenker’s diverticulum, and ESD for esophageal papillomatosis).

Dr. José Miguel Esteban López-Jamar is a gastroenterologist. He has led the Digestive Endoscopy and Digestive Diseases Units at Hospital Ruber Internacional since 2007. He has more than 20 years of experience. He is a Spanish pioneer in endoscopic ultrasound (EUS). His work covers diagnostic and interventional endoscopy. He uses innovative, minimally invasive techniques for complex gastrointestinal disease.

He was Head of Endoscopy (2008–2012) and Head of Endoscopic Innovation (2012–2014) at Hospital Clínico San Carlos. He completed international training at AMC Amsterdam, Institut Paoli-Calmettes in Marseille, and Zhongshan Hospital in Shanghai. He holds an MD and a PhD from the Complutense University of Madrid. He is a specialist in gastroenterology. He takes part in multicenter European studies and clinical trials. He is a member of SEPD, SEED, and ESGE.

Dr. Yaacov Lawrence, MA, MBBS, MRCP, is Chair of Radiation Oncology at Sheba Medical Center. He has nearly 30 years of experience in precision radiation oncology and neuro-oncology.

He is an expert in advanced radiation therapy and radiosurgery. He performs stereotactic radiosurgery for brain tumors. He leads Sheba’s GI Cancer Program in gastrointestinal oncology. He also provides precision care for lung and prostate cancers. He pioneered celiac plexus radiosurgery for severe pain from pancreatic cancer.

Training and credentials: MA and MBBS (Cambridge and UCLH); MRCP (RCP); Radiation Oncology fellowship (Thomas Jefferson University). Honors include the ASCO Young Investigator Award and Fellow of ASTRO (FASTRO). He has authored over 280 publications. He is Director of the Center for Translational Radiation Oncology and an Associate Professor at Tel Aviv University.

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)

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

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

教育情報：

1984-1990 イスタンブール大学セラハパシャ医学部、医学博士

1991-1992 アンカラヌムネトレーニング・リサーチホスピタル、内科第五クリニック

1992-1995 ハイダルパシャヌムネトレーニング・リサーチホスピタル、内科専門家第三クリニック

1998-2002 五月ハイダルパシャヌムネトレーニング・リサーチホスピタル、専門家胃腸科クリニック。

専門的経験：

ユニメッドプライベートポリクリニック 2005-2012

ホスピタリウムチャムリカ 2005-2012

ハイダルパシャヌムネトレーニング・リサーチホスピタル-胃腸科アシスタントおよび専門家 (1998-2005)

シシュリエトファルトレーニング・リサーチホスピタル、内科専門家 1996-1998

シシュリエトファル教育および研究

シレ国立病院 (1996 6ヶ月一時任務)

ハイダルパシャヌムネ病院内科 1993-1995

アンカラヌムネトレーニング・リサーチホスピタル内科 1991-19 1993.

専門分野 :

食道胃十二指腸鏡検査

大腸内視鏡検査

柔性S字結腸直腸鏡検査

クロモエンドスコピー

食道静脈瘤結紮

食道静脈瘤硬化療法

アカラシアバルーン拡張術

上部および下部消化管出血におけるヒータープローブおよび注射による治療

上部および下部消化管狭窄をバルーンおよびブジーで拡張

上部および下部消化管ポリープの除去（ポリペクトミー）

異物除去

経皮内視鏡的胃瘻造設術（PEG）

腹部内のコレクションの経皮ドレナージ

肝針生検。

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. Specialist Surgeon Rafail Ibayev is an expert in advanced gastrointestinal surgery. He specializes in both laparoscopic and open procedures for diseases of the stomach, intestine, and rectum. Dr. Ibayev is a recognized leader in obesity and metabolic surgery. He has extensive experience in sleeve gastrectomy, gastric bypass, and gastric balloon procedures. His patients achieve high success rates in weight management and metabolic health.

Dr. Ibayev is known for his work in minimally invasive surgery. He performs a wide range of laparoscopic operations that help patients recover faster and with less scarring. He is also skilled in endocrine and breast surgery, including advanced oncoplastic techniques for both benign and malignant conditions. As a gastrointestinal cancer specialist, he performs complex surgeries for liver, stomach, and colorectal tumors. He provides modern and effective oncological care.

Dr. Ibayev is highly trained in anti-reflux surgery, treatment of digestive disorders, endoscopic procedures, hernia repair, splenectomy, and proctologic surgeries. He is committed to patient-centered care and long-term health outcomes.

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.

パレプ博士は、上部胃腸（GI）および体重減少手術において17年の経験を有しています。彼は、バンド付きバイパス、バンド付きスリーブ胃切除術、およびインドにおける体重減少手術としてミニ胃バイパスについて、米国ロサンゼルスで訓練を受けた最初の外科医の一人です。また、彼はスリーブ胃切除術と十二指腸空腸バイパスを実施しており、体重超過と特に菜食主義患者における2型糖尿病の解消に関して優れた結果を持つ新しく人気のある体重減少手術です。彼はまた、イタリアでのロボット胃腸手術（2006-7）をトレーニングを受けており、より大きな精度とより高速な回復を備えた高度に発展した外科技術です。

肥満手術の経験: パレプ博士は、2009年以来、最小侵襲技術（ロボットおよび腹腔鏡手術）による体重減少と代謝の手術を実践しています。開始以来、手続きに関連する重大な罹患率を持つ患者はわずか1％であり、これは世界の基準に並んでいます。彼の糖尿病患者の90％以上がインスリンと経口抗糖尿病薬を治療しながら健康的な生活を維持しています。

ケースの範囲: これには、スリーブ胃切除術（従来型およびバンド付き）、ルーYバイパス胃手術（従来型およびバンド付き、胃バイパスとしても知られる）、ミニ胃バイパス、SG-DJB、 修正肥満手術（調整可能な胃バンドからスリーブ胃切除術へ、スリーブからミニ胃バイパスへ、ルーYバイパス胃手術とミニ胃バイパスのリバーサルと胃内バルーンを含む）。我々は、複雑で以前に失敗または複雑な体重減少手術症例を扱っています。彼の症例はさまざまな国際会議でライブで実証されています。肥満手術に加えて、パレプ博士は上部GI手術（胃、十二指腸、脾臓）および胆膵外科手術において高度な最小侵襲およびロボット技術による手術を実施するのに熟練しています。彼は国際的なジャーナルで複数の査読付き論文を発表しており、国内外で彼の関心分野について講義を行うよう招待されています。

肥満および最小侵襲手術部門: 肥満手術部門は、提供される包括的で高品質なケアのために、IEF（国際エクセレンス財団）によって優秀センターとして認定されています。部門には、肥満外科医、内分泌学者、栄養士チームおよびカウンセラーが含まれています。

Education

Undergraduate Faculty of Medicine Trakya University 1995-2001
Medical Residency Internal Medicine Uludağ University 2001-2006
Subspecialty Gastroenterology Medeniyet University, Göztepe Training and Research Hospital / Gastroenterology Clinic 2007-2011

Experience

Internal Diseases
Assistant doctor Uludağ University Faculty of Medicine
Internal Diseases USA 2001-2006

Internal Diseases Specialist Şanlı Urfa Mehmet Akif İnan
Training and Research Hospital 2007
(Jul-Dec)

Gastroenterology Minor
Assistant Istanbul Medeniyet Universityniversitesi
Göztepe Training and Research Hospital
Gastroenterology Clinic 2007-2011
Gastroenterology Specialist Sivas Numune Hospital 2011-2013

Gastroenterology
Chief Resident Health Sciences University
Ümraniye Training and Research Hospital 2013-2017

Assoc. Dr.
Chief Assistant of Gastroenterology Clinic University of Health Sciences
Ümraniye Training and Research Hospital
2017-2021

Assoc. Dr.
Gastroenterology Clinic Administrative Responsible University of Health Sciences
Ümraniye Training and Research Hospital
2021-2024

Scientific Memberships
 

Turkish Society of Gastroenterology
Turkish Association of Liver Research
Gastrointestinal Endoscopy Society

Awards

Third Prize for Oral Presentation, 32nd National Gastroenterology Week, Turkish Gastroenterology Association, November 25-29, 2015. Turkish J. Gastroenterol 2015;26(suppl 1): Oral Presentation 03, S:11
Oral Presentation Third Prize. XVth Eurasian Congress of Gastroenterology and Surgery, 27 apr-01 May 2016, Antalya P:89

彼は1971年にイスタンブールで生まれました。イスタンブールで初等教育、中等教育、高等教育を修了しました。1994年にブルサ・ウルダグ大学医学部を卒業しました。オクメイダニ・トレーニング・リサーチ病院で助手研修を修了しました。2000年から2006年の間に、トラブゾン・ファティ地域病院で一般外科医および副主任医として勤務しました。

2006年から彼がキャリアを25年間続けているメディポル大学とニサ病院では、教授代理の称号で続けています。

治療された病気：

鉤虫症

腸の癌

尖圭コンジローマ

脾臓の病気

乳癌

低エコー性固形腫瘤

肝腫大

肝転移

大腸がん（結腸がん）

胃腸感染症

胃の拡大（胃拡張症）

胃の病気

非ホジキンリンパ腫

ポリポシスコーク

胆石

肥満（肥満）

甲状腺腫

甲状腺の病気

食道狭窄

アディル・バイカン博士は、トルコにおける主要な一般および腫瘍外科医であり、28年以上の経験を持っています。彼は結腸直腸手術、内視鏡および腹腔鏡手術、ならびに甲状腺と乳房の疾患に特化しています。また、大腸癌に関するいくつかの記事を国内および国際的なジャーナルに発表しています。

• アンカラ大学医学部での医学博士号
• アンカラ大学医学部での内視鏡および腹腔鏡手術の専門コース
• アンカラ大学医療一般外科クリニックでのレジデンシー
• アンカラ大学医療一般外科クリニックでの主任助手
• アンカラ大学医学部での一般外科学准教授
• タクシム訓練研究病院の一般外科部門での上級外科医
• ロンドンのセントマーク病院での3ヶ月間の結腸直腸手術の実践
• アンカラ大学医学部での上級教授
• 米国ミネソタ大学およびメイヨークリニックでの結腸直腸手術の実践
• シシュリ・エトファル訓練研究病院の一般外科部門での上級外科医
• メディステート・カヴァジク病院での上級外科医
• 大腸癌に関するいくつかの記事を国内および国際的なジャーナルに発表しています

この医師は、高度な技術を持つ腫瘍専門医であり、固形腫瘍、小児腫瘍、血液悪性腫瘍を含むさまざまな癌の治療を専門としています。彼女は、ウィップル手術などの保守的および外科的治療の両方に精通しています。<\/p>

彼女はLady Hardinge Medical CollegeでMBBSを取得し、Maulana Azad Medical Collegeで内科のMDを取得しました。その後、Tata Memorial HospitalでDM医療腫瘍学を追求し、そこでコンサルタントとしても勤務しました。<\/p>

彼女は国際的および国内の腫瘍学会に所属しており、肺、乳房、婦人科、泌尿生殖器の癌に関する専門知識を持ち、免疫療法とメトロノミック療法に特に関心を持っています。<\/p>

Dr. Muhammed Zubeyr Üçüncü is an Associate Professor of Surgery and a specialist in General Surgery. He earned his medical degree from Istanbul University, Istanbul Medicine Faculty. He is known for his skills in acute biliary pancreatitis, endoscopy, trauma and emergency surgery, obesity, and breast health.

Dr. Üçüncü has published more than 15 peer-reviewed articles. His research covers breast cancer, gastrointestinal diseases, and surgical methods. He has presented his work at international congresses, including the SIS World Congress on Breast Healthcare and the European Congress of Trauma and Emergency Surgery.

He is certified in Advanced Trauma Life Support and Advanced Endoscopy. He is also a member of the International Federation for the Surgery of Obesity and Metabolic Disorders. Dr. Üçüncü has helped improve breast cancer prognosis and minimally invasive surgery in Turkey.