Objective: The purpose of this study was to evaluate the efficacy, safety, and benefits of hysteroscopic surgery in the treatment of dysfunctional uterine bleeding (DUB) or intrauterine lesions causing uterine bleeding. Methods: This study prospectively enrolled 100 patients who underwent operative hysteroscopy in tertiary referral university center because of uterine bleeding due to endometria...

Infl ammatory fi broid polyps (FIP) are rare mesenchymal tumors associated with mutations of the platelet-derived growth factor-α. Th ey derive from the submucosal layer and are mainly composed of loose connective tissue, vessels and an eosinophilic infl ammatory component. Th ey are found throughout the gastrointestinal tract, but most commonly in the gastric antrum and ileum. Macroscopically,...

Specific regions in the rat larynx exhibit cellular changes in response to inhaled xenobiotics. These regions include the base of the epiglottis, ventral pouch, and medial surfaces of the vocal processes of the arytenoid cartilages. 1 , 2 In order to collect information on the usefulness of trimming techniques, the influence of different vehicles, the impact of different application routes i...

BACKGROUND Endoscopic submucosal dissection (ESD) is accepted as a minimally invasive treatment for early gastric cancer, however, it is not widely used in the colorectum because of its technical difficulty. OBJECTIVE To determine the feasibility of using ESD for treating large superficial colorectal tumors. PATIENTS A total of 400 consecutive patients were treated by ESD for 405 lesions at...

BACKGROUND AND PURPOSE Many reports have confirmed that endoscopic ultrasonography (EUS) can differentiate gastric submucosal tumor from extragastric compression, but only a few specifically concentrated on EUS in identifying the causes of external compression. MATERIALS AND METHODS From May 1993 to May 2001, we used EUS in 238 patients to diagnose gastric submucosal tumor or external compres...

A case of massive upper gastrointestinal bleeding in a 37-year-old female is presented showing a submucosal mass in the gastric body. At laparotomy a pedunculated submucosal mass was found located on the posterior wall at the junction of the body and antrum of the stomach, 8 cm from the pylorus. Pathology confirmed that it was a 4 cm benign gastric lipoma with a bleeding central ulcer. Gastric ...

Abstract Background Methods have been developed for preventing delayed bleeding (DB) after gastric endoscopic submucosal dissection (GESD). However, none of the methods can completely prevent DB. We hypothesized that DB could be prevented by a modified search, coagulation, and clipping (MSCC) method patients at low risk combining use polyglycolic acid sheets fibrin glue with MSCC (PMSCC method)...

Background. Previous assessments of technical difficulty and procedure time for endoscopic submucosal dissection (ESD) of gastric neoplasms did not take into account several critical determinants of these parameters. However, two key phases of ESD determine the total procedure time: the mucosal circumference incision speed (CIS) and submucosal dissection speed (SDS). Methods. We included 302 ca...

BACKGROUND Dieulafoy lesion is a rare but serious cause of gastrointestinal hemorrhage. However, some cases can be occasionally found without bleeding during the endoscopic screening, and the management remains unclear. The aim of this article was to report the efficacy and safety of endoscopic submucosal dissection (ESD) for silent gastric Dieulafoy lesions, which presented as protrusion lesio...

BACKGROUND/AIMS Magnifying endoscopy with narrow band imaging (ME-NBI) is a useful modality for the detailed visualization of microsurface (MS) and microvascular (MV) structures in the gastrointestinal tract. This study aimed to determine whether the MS and MV patterns in ME-NBI differ according to the histologic type, invasion depth, and mucin phenotype of early gastric cancers (EGCs). METHO...