Effect of bariatric surgery on macular and peripapillary choroidal structures in young patients with morbid obesity.

Objective: To examine the effect of bariatric surgery on the macular and peripapillary choroid in the late postoperative period in young patients with morbid obesity and compare them with a healthy control group.

Methods: This prospective controlled study included 50 eyes of 25 young patients with morbid obesity and 50 eyes of 25 age and sex-matched healthy controls. Sleeve gastrectomy was performed on all patients with obesity.

Evaluation of In Vivo Adhesion Properties of New Generation Polyglactin, Oxidized Regenerated Cellulose and Chitosan-Based Meshes for Hernia Surgery.

Introduction Composite meshes coated with anti-adhesive barriers have been developed by taking advantage of the robustness of polypropylene meshes for use in hernia repair. We aimed to evaluate the effects of composite meshes containing polyglactin, polycaprolactone, oxidized regenerated cellulose and chitosan on the adhesion formation. Methods Forty-two Sprague Dawley male rats were divided into six groups of seven rats according to the content of the meshes used.

The effects of systemic inflammatory response on prognosis of pancreatic ductal adenocarcinoma.

Backgrounds/aims: The aim of this study was to investigate the prognostic significance of neutrophyil-lymphocyte ratio (NLR), platelet-lymphocyte ratio (PLR), CRP and CA19-9 in patients were diagnosed with pancreatic ductal adenocarcinoma (PDAC) to better verify pre-operative risk stratification and management.

Methods: This retrospective study included data from 133 consecutive patients with PDAC, who were treated between 2013 and 2015. PDAC diagnosis was made by cytology or assumed by radiological assessment or surgical resection samples.

Polypropylene composite hernia mesh with anti-adhesion layer composed of polycaprolactone and oxidized regenerated cellulose.

Hernia surgeries are at the top of the general surgery operations. However, visceral adhesion, which is one of the worst complications of these operations, is still a major problem. One of the most preferred methods to prevent adhesion is the use of biomaterials.

A Polypropylene-Integrated Bilayer Composite Mesh with Bactericidal and Antiadhesive Efficiency for Hernia Operations.

Polypropylene (PP) mesh has been widely used in hernia fixation operations for more than one hundred years, and peritoneal adhesion is still one of the main complications after hernia fixation operations. For preventing peritoneal adhesion, many solutions have been offered, including gel systems, adhesion barrier membranes, and bilayer meshes. Among these, bilayer meshes come to the forefront as they serve for both hernia repair and adhesion prevention.

Rate and Risk Factors of the Advanced Adenomas Among Diminutive Colorectal Polyps.

Only 49 % of diminutive colorectal polyps are neoplastic, but a tiny percentage contains advanced histology. We aimed to determine the rate of advanced diminutive polyps and to evaluate the influence of age, gender, number, and localization. Patients undergoing a videocolonoscopy in October 2010 and April 2012 were collected prospectively.

Hematological, Biochemical, and Immunological Laboratory and Histomorphological Effects of Sleeve Gastrectomy on Female Rats.

Restriction of food intake leads to immunologic and histomorphological changes in rats demonstrated by Moriyama. This study is planned to show how sleeve gastrectomy restricts food intake and its effects on biochemical liver function, immunologic and hematologic laboratory parameters, and histomorphological changes in rats. We used sleeve gastrectomy model on seven young adult female rats and compared study group with sham and control groups.

The Factors Effecting Lymphovascular Invasion in Adenocarcinoma of the Colon and Rectum.

Adenocarcinomas of the colon and rectum are the most common gastrointestinal malignancy, and lymph node metastases are established as a prognostic factor. Lymphovascular invasion has been recognized as an indication of lymph node metastases. This prompted us to investigate the features of primary tumor that may serve as a risk factor for lymphovascular invasion in colorectal carcinoma.

Preoperative assessment of the axilla by surgeon performed ultrasound and cytology in patients with breast cancer.

Background: Preoperative evaluation of the axilla, an important prognostic determinant for patients with invasive breast cancer, is achieved by non- or minimally invasive methods to avoid the potential hazards of operative intervention. The aim of this study was to determine statistical power of axillary ultrasound (US) and US-guided fine needle aspiration cytology (FNAC) for evaluating axillary status.

Methods: Axillary lymph nodes were imaged for malignant involvement by high resolution US in 93 breast cancer patients with clinically negative axilla.

Prophylactic and therapeutic effects of oral budesonide for acute radiation-induced enteritis and colitis in rats.

No satisfactory means has been found to control the symptoms of diarrhea and weight loss caused by radiation-induced enteritis and colitis. As a glucocorticoid, budesonide has multiple effects, and this study aimed to test whether it could be effective in treating these symptoms. Twenty-eight male Wistar albino rats were randomly allocated into 4 groups.

Asymptomatic partial splenic infarction in laparoscopic floppy Nissen fundoplication and brief literature review.

Short gastric vessels are divided during the laparoscopic Nissen fundoplication resulting in splenic infarct in some cases. We report a case of laparoscopic floppy Nissen fundoplication with splenic infarct that was recognized during the procedure and provide a brief literature review. The patient underwent a laparoscopic floppy Nissen fundoplication.

An unusual presentation of perforated appendicitis in epigastric region.

Introduction: Atypical presentations of appendix have been reported including backache, left lower quadrant pain and groin pain from a strangulated femoral hernia containing the appendix. We report a case presenting an epigastric pain that was diagnosed after computed tomography as a perforated appendicitis on intestinal malrotation.

Presentation Of Case: A 27-year-old man was admitted with a three-day history of epigastric pain.

A modified Rendezvous ERCP technique in duodenal diverticulum.

Aim: To postoperative endoscopic retrograde cholangiopancreatography (ERCP) failure, we describe a modified Rendezvous technique for an ERCP in patients operated on for common bile duct stone (CBDS) having a T-tube with retained CBDSs.

Methods: Five cases operated on for CBDSs and having retained stones with a T-tube were referred from other hospitals located in or around Istanbul city to the ERCP unit at the Haydarpasa Numune Education and Research Hospital. Under sedation anesthesia, a sterile guide-wire was inserted via the T-tube into the common bile duct (CBD) then to the papilla.

Treatment of ampullary neuroendocrine tumor by endoscopic snare papillectomy.

Patient: Female, 45 FINAL DIAGNOSIS: Neuroendocrine tumor Symptoms: Abdominal pain Medication: - Clinical Procedure: - Specialty: Gastroenterology and Hepatology.

Objective: Unusual setting of medical care.

Background: Neuroendocrine tumor of the ampulla of Vater is extremely rare and is generally a low-grade endocrine cell tumor.

The importance of invasion and resection of superior mesenteric and portal veins in adenocarcinoma of the pancreas.

Background/aims: To achieve a negative surgical margin, resection of superior mesenteric/portal vein is necessary in pancreatic cancer. This study is designed to demonstrate the demographic and clinical differences of the patients requiring major vein resection and the incidence of histopathological vein invasion.

Methodology: A retrospective analysis of patients that underwent pancreaticoduodenectomy for adenocarcinoma of the pancreas between January 2000 and September 2011 was performed.

Trans-cystic biliary catheterization and decompression in liver and biliary surgery.

Background/aims: Trans-cystic biliary catheterization (TCBC) and decompression may be employed to prevent biliary leakage after liver and biliary surgery.

Methodology: We evaluated medical records of patients that required trans-cystic biliary catheterization between 2001-2009; we retrospectively review prospectively collected data, including patient demographics, operational procedures, cholangiographies and post-operative follow-ups.

Results: Mean age was 54 years (16-80 years) and 63% of patients were female.

Paget's Disease of the Breast in a Patient with Amyopathic Dermatomyositis.

Amyopathic dermatomyositis (AD) can be a part of paraneoplastic syndrome of an underlying malignancy. Paget's disease is a rare form of breast cancer. We present a very rare case of Paget's disease associated with AD.

Plexiform schwannoma of the duodenum accompanying pyloric stenosis: report of a case.

Plexiform schwannoma is a benign peripheral nerve sheath tumor and is composed of Schwann cells arranged in a plexiform pattern. Most plexiform schwannomas are skin tumors, and there has been no case report of this tumor originating in the duodenum. We describe the first known case of plexiform schwannoma of the duodenum.

Medical and surgical treatment of idiopathic granulomatous lobular mastitis: a benign inflammatory disease mimicking invasive carcinoma.

Purpose: Idiopathic granulomatous lobular mastitis (IGLM) is a rare chronic inflammatory disease of the breast with obscure etiology that mimics invasive carcinoma both clinically and radiologically. The treatment of IGLM remains controversial. The aim of proper management is to use a combination of medical and surgical treatment of this benign condition to achieve a good cosmetic result and low recurrence rate.

Tumor characteristics influencing non-sentinel lymph node involvement in clinically node negative patients with breast cancer.

Purpose: The negative sentinel lymph node (SLN) biopsy avoids conventional axillary dissection in patients with breast cancer with clinically negative axilla. Despite negative SLN, there is a risk of leaving involved non-SLN behind in the axilla. We investigated the predictive power of tumor characteristics for non-SLN metastasis.

[Factors affecting mortality in acute mesenteric obstruction].

Background: Acute mesenteric obstruction (AMO) is usually fatal. This study was designed to demonstrate the demographic characteristics and prognostic factors of affected patients.

Methods: The patients admitted to our emergency department and diagnosed as having AMO between January 2000 and December 2004 were investigated retrospectively.

Liver injury in sepsis and abdominal compartment syndrome in rats.

Purpose: To evaluate the extent of liver injury after the onset of sepsis and abdominal compartment syndrome (ACS) in rats.

Methods: We divided 60 rats into four groups of 15. Group 1 was the sham group.

Intrathoracic splenosis secondary to previous penetrating thoracoabdominal trauma diagnosed during delayed diaphragmatic hernia repair.

Although intraperitoneal splenosis is a very common disease, intrathoracic splenosis is very rare. It is generally an asymptomatic disease that occurs after thoracoabdominal trauma, and is diagnosed as an intrathoracic mass that leads to unnecessary investigations to be differentiated from other benign or malignant lesions of the chest. We present a patient with an intrathoracic mass which was preoperatively diagnosed as a diaphragmatic hernia on chest X-ray and magnetic resonance imaging.

[The value of Ranson and APACHE II scoring systems, and serum levels of interleukin-6 and C-reactive protein in the early diagnosis of the severity of acute pancreatitis].

Background: We investigated the effectiveness of scoring systems, acute inflammation and acute phase responses in the early diagnosis of the severity of acute pancreatitis.

Methods: In a prospective design, we determined Ranson and APACHE II scores, and serum interleukin-6 (IL-6) and C-reactive protein (CRP) levels in 30 patients (21 females, 9 males; mean age 56 years; range 28 to 82 years) with acute pancreatitis. The patients were divided into two groups as mild and severe pancreatitis according to the clinical, biochemical, and computed tomography findings.

Prostaglandins E1 and E2 analogues ameliorate mucosal injury secondary to distal colonic obstruction.

After colonic obstruction, increased intraluminal pressure may impair blood circulation and cause mucosal injury that sometimes progresses to perforation. This experimental study aims to evaluated effects of prostaglandin E (PGE) analogues in order to prevent mucosal injury secondary to distal colonic obstruction. This study was carried out on 40 male Wistar rats equally divided into four groups: group 1, control; group 2, colonic obstruction by ligation of the sigmoid colon; group 3, obstruction and administration of PGE1; group 4, obstruction and administration of PGE 2.