Aims. The objective of this prospective study was to evaluate the efficacy of intragastric botulinum toxin A (BTX-A) injection for the treatment of obesity. Materials and Methods. The study was performed between January and August 2019. This is a prospective study. After 6–12 hours of fasting, the patients were submitted to upper GI endoscopy under sedation for the injection of BTX-A. A total of 250 U of BTA-X was diluted with 10 ml of 0.9% saline. Injections were administered into the gastric antrum, each containing 1 ml of prepared solution (25 U BX-A + 1 ml saline). Continuous data were compared using a two-sample t-test. Statistical significance was determined as P≤0.05. All statistical analysis was performed using SPSS for Windows 22.1 software (SPSS, Chicago, IL, USA). Results. A total of 56 patients were studied. Mean weight before gastric Botox was 85.25 ± 14.02, and mean weight after gastric Botox was 76.98 ± 12.68. Mean weight loss was approximately 9 kg in studied patients. BMI decreased about 3 units. The mean time for maximum weight loss was 60.39 ± 37.43 days. A total of 49 patients (87.5%) had reported decrease in appetite and early satiety. About 53.6% of patients were satisfied. No complications resulting from the endoscopic procedure were observed in this series. Conclusions. Intragastric BTX-A injection can be beneficial in weight loss. It is a minimally invasive, cost-effective procedure, without serious side effects.

Aim: This study aims to assess the completeness of pathology reports of T1 colorectal cancers from different healthcare centers and the change of treatment decision after reevaluation of the polyps. Materials and Methods: In this single-center retrospective cohort study, several pathology reports of endoscopically excised malignant colorectal polyps at diverse healthcare centers in Turkey were reassessed at a comprehensive cancer center in Istanbul. Reassessment was mainly focused on core elements such as the size of invasive carcinoma, histologic type and grade, tumor extension, surgical margin (deep and mucosal), and lymphovascular invasion. Results: Sixty-seven endoscopically resected malignant polyps were analyzed. The mean age of patients was 62.2 years and 38 (58%) patients were males. Tumor size, histologic type and grade, surgical margin (deep and mucosal), and lymphovascular invasion were reported in 11%, 100%, 31%, 9%, and 19%, respectively. All 5 prognostic factors were reported only in 1 (1.5%) pathology report. Because of the missing (incomplete) data, the pathologic examination of 59 (88%) patients was determined to be inadequate to make an accurate treatment decision. Conclusion: Several variables are not considered and frequently missing for decision-making, suggesting the reassessment of the specimen by a second pathologist at a high-volume comprehensive cancer center.

Objective: The effect of the specialty of physicians who perform endoscopy on preoperative wait-time of colorectal cancer patients was evaluated. Material and Methods:Data from 86 patients who have been operated with a diagnosis of colorectal cancer from January 2011-February 2013 regarding age, sex, tumor location, colonoscopy date, surgery date, the expertise and institution of the endoscopist were retrospectively examined. The time between colonoscopy and surgery was accepted as the pre-operative wait time (PWT). Results:Out of 86 patients, 24 (27.9%) colonoscopies were performed by general surgeons (GS), and 62 (72.1%) by gastroenterologists (GE). When patients who underwent colonoscopy in other centers were extracted, the PWT for our center was 20.4±10.8 days. When grouped according to specialties, the PWT of patients who had their colonoscopy performed by GS was significantly shorter than patients who underwent colonoscopy by GE at the same center (p<0.05). Patient's age, sex and location of the tumor had no effect on PWT (p>0.05). Conclusion:The preparation time for surgery in colorectal cancer patients is influenced by the specialty of the physician performing the procedure. In order to standardize this period, a common flow diagram after endoscopy should be established for patients with suspected malignancy.