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Featured researches published by Metin Şen.


Pancreatology | 2002

Pancreatic Pseudotumor due to Peripancreatic Tuberculous Lymphadenitis

Mustafa Turan; Metin Şen; Ayhan Koyuncu; Cengiz Aydin; Nazif Elaldi; Sema Arici

Peripancreatic tuberculous lymphadenitis is a very rare and difficult diagnosis. We report herein a patient with a clinically solitary abdominal tuberculoma. A 68-year-old woman was admitted to our hospital with moderate-level obstructive jaundice due to a mass located between pylorus and head of the pancreas. There were no clinical signs or symptoms of tuberculosis in lungs or abdomen. After the diagnosis of a neoplasm of the pancreas was made, exploratory laparotomy was performed which revealed a conglomerated mass penetrating into the pancreas. Since an exact diagnosis could not be reached on the basis of frozen sections prepared during the operation, a standard Whipple procedure was performed. After the histopathological examination of the resected specimen revealed tuberculous lympadenitis, the patient was given antituberculous medication. The patient recovered well. An abdominal tuberculoma is often mistaken for a malignant neoplasm, and nonsurgical diagnosis and treatment of this entity continues to be a challenge.


Turkish journal of trauma & emergency surgery | 2012

The impact of Ramadan on peptic ulcer perforation

Ali Kağan Gökakın; Atilla Kurt; Mustafa Atabey; Ayhan Koyuncu; Ömer Topçu; Cengiz Aydin; Metin Şen; Gündüz Akgöl

BACKGROUND Medical treatment has played an important role in the reduction of peptic ulcer perforation (PUP). The goal of this study was to evaluate the effect of fasting on PUP. METHODS A retrospective analysis of 229 patients who were operated due to PUP between 1999-2009 was made. Patients were divided into two groups. Group I (n=188) included the patients who were operated in other periods of the year, while Group II (n=41) included the patients who were operated during Ramadan, the Muslim period of fasting. Patients in Group II were analyzed in terms of duration of fasting. RESULTS The increase in surgeries per group was higher in Group II than Group I (p<0.05). Predisposing factors, anti-ulcer drug usage and demographic variables were seen to have no role in this difference. Duration of fasting may have a minimal effect on the perforation. CONCLUSION The results of this study demonstrate that PUP is detected as relatively higher during Ramadan among those who are fasting for more than 12 hours daily. We suggest that people with predisposing factors should be informed before making a decision to fast.


Medical Principles and Practice | 2005

Surgical management strategies in patients with primary hyperparathyroidism: which technique in which patients?

Ayhan Koyuncu; Hatice Sebila Dökmetaş; Cengiz Aydin; Mustafa Turan; Taner Erselcan; Selçuk Sözeri; Metin Şen

Objective: This study was planned to investigate the efficacy of either 99mTc-sestamibi scan or ultrasonography in predicting the operative treatment in patients with primary hyperparathyroidism (PHPT). Subjects and Method: Thirty patients (25 female, 5 male; mean age: 53 years) being operated for symptomatic primary PHPT were included in this study. Ultrasonography was used in 29 patients while 99mTc-sestamibi scintigraphy was done in 28 patients to localize the hyperfunctioning gland(s). Standard bilateral neck exploration was done in 6 patients. Although unilateral intervention had been planned for 24 patients, bilateral intervention was performed in 9 of them. Results: Sensitivity of 99mTc-sestamibi was 81%, while that of ultrasonography was 42%. 99mTc-sestamibi localization method led to misleading results in 10/28 (35.7%) patients. False-positive localization and accompanying thyroid pathologies played an important role in determining transition from unilateral to bilateral intervention. Conclusion: Our findings indicate that bilateral intervention remains a successful management option without prior localization in patients with PHPT especially in an endemic goiter region.


Surgery Today | 2002

A Simplified Operative Technique for Single-Staged Resection of Left-Sided Colon Obstructions : Report of a 9-Year Experience

Mustafa Turan; Engin Ok; Metin Şen; Ayhan Koyuncu; Cengiz Aydin; Mustafa Erdem; Yakup Güven


International Journal of Colorectal Disease | 2004

Positive effects of phenytoin on experimental colonic anastomoses

Mustafa Turan; Serpil Ünver Saraydin; Emel Canbay; Kursat Karadayi; Eray Bulut; Oge Cetinkaya; Şahande Elagöz; Metin Şen


Molecular Biology Reports | 2013

Antitumoral effects of Allium sivasicum on breast cancer in vitro and in vivo

Bektas Tepe; Ersin Tuncer; Serpil Ünver Saraydin; Hatice Özer; Metin Şen; Kursat Karadayi; Deniz Sahin Inan; Sule Karadayi; Zubeyde Akin Polat; Aşkın Akpulat; Mustafa Duman; Binnur Koksal; Mustafa Turan


Basic and Clinical Sciences | 2014

Comparison of the healing effects of silver sulfadiazine cream 1% and the essential oil of Hypericum perforatum on scald burn wound in a rat model

Mehmet Emin Pekşen; Atilla Kurt; Sinan Soylu; Mehmet Tuzcu; Meriç Emre Bostancı; Murat Can Mollaoğlu; Uğur Akabay; Metin Şen


Turkiye Klinikleri Tip Bilimleri Dergisi | 2012

Cytoreductive Surgery Followed by Hyperthermic Intraperitoneal Chemotherapy: Morbidity and Mortality Analysis of Our Patients

Kursat Karadayi; Mustafa Turan; Şule Karadayi; Hakan Alagozlu; Saadettin Kilickap; Abdullah Büyükçelik; Cihat Şarkiş; Birsen Yücel; Abdullah Boztosun; Meral Cetin; Abdulkerim Yilmaz; Ali Yanık; Metin Şen


Ceylon Medical Journal | 2009

Spontaneous perforation of the ductus choledochus: case report

Metin Şen; Mustafa Turan; Atilla Kurt; Yılmaz Er


Pancreatology | 2002

26th Annual Meeting of the Pancreatic Society of Great Britain and Ireland

Waldemar Uhl; Matthias B. Schneider; Andrew L. Warshaw; Clement W. Imrie; Claudio Bassi; Colin J. McKay; Paul Georg Lankisch; John M. Fitzpatrick; Ross Carter; Eugene Di Magno; Peter A. Banks; David C. Whitcomb; Christos Dervenis; Charles D. Ulrich; Kat Satake; Paula Ghaneh; Werner Hartwig; Jens Werner; G. P. McEntee; John P. Neoptolemos; Markus W. Büchler; Jens M. Mayer; Hana Algül; Yusuke Tando; Günter Schneider; Hans Weidenbach; Guido Adler; T. Armstrong; E. Walters; S. Varshney

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