Mustafa Öncel

ORCID: 0000-0003-2357-5387
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About
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Research Areas
  • Colorectal Cancer Surgical Treatments
  • Hernia repair and management
  • Intestinal and Peritoneal Adhesions
  • Gastric Cancer Management and Outcomes
  • Colorectal and Anal Carcinomas
  • Stoma care and complications
  • Surgical Sutures and Adhesives
  • Cardiac, Anesthesia and Surgical Outcomes
  • Cholangiocarcinoma and Gallbladder Cancer Studies
  • Anorectal Disease Treatments and Outcomes
  • Colorectal Cancer Screening and Detection
  • Metastasis and carcinoma case studies
  • Minimally Invasive Surgical Techniques
  • Hepatocellular Carcinoma Treatment and Prognosis
  • Colorectal Cancer Treatments and Studies
  • Diverticular Disease and Complications
  • Gastrointestinal Tumor Research and Treatment
  • Foreign Body Medical Cases
  • Pelvic floor disorders treatments
  • Multiple and Secondary Primary Cancers
  • Genetic factors in colorectal cancer
  • Congenital Diaphragmatic Hernia Studies
  • Gastrointestinal disorders and treatments
  • Abdominal Trauma and Injuries
  • Intestinal Malrotation and Obstruction Disorders

Istanbul Medipol University
2014-2025

İstanbul Eğitim ve Araştırma Hastanesi
2010-2019

Bağcılar Eğitim ve Araştırma Hastanesi
2019

Sağlık Bilimleri Üniversitesi
2018

Dr Lütfi Kırdar Kartal Eğitim ve Araştırma Hastanesi
2005-2017

Istanbul University-Cerrahpaşa
2011-2013

Gümüşhane University
2010-2012

Zekai Tahir Burak Kadın Sağlığı Eğitim ve Araştırma Hastanesi
2012

Cleveland Clinic
2001-2011

Education and Research Institute
2006-2011

Locally advanced colorectal cancers are best treated with multivisceral resections. The aim of this study is to evaluate early and late results after resections.All patients operated for primary cancer between 2001 2010 were -reviewed. These compared within the underwent single organ resections: demographics, tumor procedure related parameters, perioperative results, oncological outcomes 5-year survival.A total 354 (59.6 ± 13.8 years old, 210 [59.3%] males) abstracted. Ninety (25.4%)...

10.1186/1477-7819-10-39 article EN cc-by World Journal of Surgical Oncology 2012-02-15

ALTUNTAS Y.E., KEMENT M., GEZEN C., EKER H.H., AYDIN H., SAHIN F., OKKABAZ N. & ONCEL M. (2012) European Journal of Cancer Care The role group education on quality life in patients with a stoma Stoma has been traditionally given one-to-one setting. Since 2007, daily programmes were organised for and their relatives by our therapy unit. included lectures care, social activities which shared experiences each other. Patients also encouraged to expand interaction other organise future events. A...

10.1111/j.1365-2354.2012.01360.x article EN European Journal of Cancer Care 2012-06-05

This study aims to compare the short- and long-term outcomes of botulinum toxin (BT) alone versus BT combined with topical diltiazem (TD) in treatment chronic anal fissures (CAF). The is designed as a retrospective analysis, reviewing data from 1296 patients diagnosed who presented our clinic between 2017 2022. Single center (University hospital). A total 217 met inclusion criteria were analyzed, 143 receiving 74 combination + TD. was administered 100 IU injected into four quadrants. TD...

10.1007/s00384-025-04823-y article EN cc-by-nc-nd International Journal of Colorectal Disease 2025-02-26

PURPOSE: Intra-abdominal administration of antiadhesive barriers may reduce the extent and severity postoperative adhesions. This study aimed to compare effectiveness a novel liquid barrier with conventional sheet (Seprafilm™) in murine cecal abrasion model. METHODS: One hundred fifty Swiss-Wister mice underwent laparotomy were randomly assigned receive Adcon-P® (n = 30) or Seprafilm™ control group 90). At Day 21, relaparotomy complete adhesiolysis. An investigator who was blinded assignment...

10.1007/s10350-004-6523-3 article EN Diseases of the Colon & Rectum 2003-02-01

Abstract Objective Laparotomy is the treatment of choice in Peutz–Jeghers Syndrome (PJS) patients for endoscopically irretrievable symptomatic polyps and polyp‐related complications. During last decade, we have operated on majority PJS with purpose removing all gastrointestinal (clean sweep), when an operation was indicated. The aim this study to evaluate effect clean sweep technique need repeated surgery compared a problem focused approach. Patients methods All treated our institution since...

10.1111/j.1463-1318.2004.00623.x article EN Colorectal Disease 2004-08-27

BACKGROUND: Diagnosis and management of leak from the tip J-pouch after IPAA has not been systematically studied. OBJECTIVE: The aim this study is to report our experience in diagnosis these leaks following primary IPAA. DESIGN: This a retrospective review prospectively gathered data. SETTINGS: Data were obtained maintained single-institution pelvic pouch database. PATIENTS: Included patients with MAIN OUTCOME MEASURES: main measures outcomes salvage surgery failure, function, quality life....

10.1007/dcr.0b013e31820481be article EN Diseases of the Colon & Rectum 2011-04-01

Juvenile polyposis syndrome is characterized by multiple hamartomatous polyps in the large intestine. When indicated, surgical choices symptomatic juvenile patients are colectomy with ileorectal anastomosis or proctocolectomy pouch. The aim of this study was to evaluate long-term outcomes options who present colonic polyps.The charts all had at least one operation since 1953 our institution were reviewed. following data abstracted: demographics, number and site polyps, symptoms, intervals...

10.1007/s10350-004-0749-y article EN Diseases of the Colon & Rectum 2004-12-03

Objectives: Multifocal/multicentric breast cancers have been comprehensively studied and their outcomes compared with unifocal tumors. We evaluated the impact of multifocality multicentricity on disease-free survival (DFS) overall cancer patients tried to analyze correlation between multifocality/multicentricity (M/M) other prognostic factors. Material Methods: Between 1994 2009, we analyzed retrospectively 697 patients. Multicentric multifocal were defined as presence 2 or more invasive...

10.1097/coc.0b013e31822d9cd6 article EN American Journal of Clinical Oncology 2011-10-04

Objective: Few non-surgical conditions are more painful than rib fractures. There a few methods for pain relief in patients with minor Methods: We used non-steroidal anti-inflammatory drug (NSAID, Naproxen sodium) and transcutaneous electrical nerve stimulator (TENS) to control of the uncomplicated One hundred consecutive admitted Kartal Education Research Hospital Emergency Service, were randomized into four groups. The assigned one following treatments: NSAID, TENS, NSAID plus inactive...

10.1016/s1010-7940(02)00206-3 article EN European Journal of Cardio-Thoracic Surgery 2002-07-01

We have previously introduced a minimally invasive technique for the treatment of limited pilonidal disease. In this paper, results patients who had at least one year follow-up are provided.All operated with sinus excision were studied retrospectively and those period shorter than 12 months excluded. Demographics, perioperative postoperative data, patient satisfaction scores obtained from prospectively designed database. Limited disease was defined as presenting less four visible...

10.1007/s10350-006-0676-1 article EN Diseases of the Colon & Rectum 2006-09-21

To determine the presence and location of portal vein thrombi in patients who have undergone ileal pouch-anal anastomosis (IPAA) were scanned with computed tomography (CT).During a 4-year period, 92 702 underwent contrast medium-enhanced CT after total proctocolectomy an IPAA. These scans retrospectively reviewed for thrombus presence, location, occlusive nature, as well any accompanying enhancement abnormalities hepatic parenchyma. Only 13 had initial that positive follow-up examinations,...

10.1148/radiol.2271020032 article EN Radiology 2003-04-01

Massive presacral hemorrhage following rectal mobilization for benign or malignant conditions is an uncommon complication but one that alarming and often difficult to treat. A variety of methods hemostasis have been described, all with mixed degrees success. We used a segment free rectus abdominis muscle provide tamponade the bleeding point in two patients severe bleeding. The technique was successful may be considered cases problematic when other techniques failed inapplicable.

10.1007/s10350-004-6369-8 article EN Diseases of the Colon & Rectum 2002-08-01

Seprafilm (Genzyme Biosurgery, Cambridge, MA) remains a widely used product in postoperative adhesion prevention. This study was designed to compare the antiadhesive effects of taurolidine, heparin, and murine cecal abrasion model.Sixty male Balb/c mice underwent procedure were randomized into four groups (n = 15 each). Groups T, H, S animals intraperitoneally received Seprafilm, respectively, Group C reserved as control. Animals killed on Day 21, severity adhesions evaluated with scoring...

10.1007/s10350-007-9074-6 article EN Diseases of the Colon & Rectum 2007-09-27

The aim of the current study is to compare results after partial and complete splenic flexure mobilization (SFM).The records laparoscopic hand-assisted procedures for primary rectal tumor patients were abstracted from a prospectively designed database. phrenicocolic splenocolic ligaments divided via four-trocar technique in SFM group, dissection was continued with separation gastrocolic pancreaticomesocolic attachments five-trocar procedure group. following data compared between groups:...

10.1089/lap.2011.0409 article EN Journal of Laparoendoscopic & Advanced Surgical Techniques 2012-03-06
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