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전태용 부산대학교 병원 암연구소 2008 부산대병원학술지 Vol.- No.23
A Meckel's diverticulum, a true congenital diverticulum, is a small bulge in the small intestine present at birth. It is a vestigial remnant of the omphalomesenteric duct, and is the most frequent malformation of the gastrointestinal tract, occurring in 1-3% of the population according to autopsy studies. The most common presenting symptom is painless rectal bleeding, followed by intestinal obstruction, volvulus and intussusception. Although Meckel's diverticulum is a relatively common anomaly, inverted Meckel's diverticulum has been reported rarely. Herein the author describe a case of inverted Meckel's diverticulum located at the distal ileum simulating a benign tumor. Computed tomography showed a small mass with a central area of low fat density. Surgical resection revealed a Meckel’s diverticulum containing an ectopic gastric tissue with ulceration. The unique clinical symptoms and the methods of diagnosis are discussed. Special features regarding the pathophysiology and treatment of an inverted Meckel's diverticulum acting as an intussusception are also reviewed.
언체 위(胃)의 해부학적 구획에 따른 그렐린 mRNA 발현의 정량적 분석
전태용,이상엽,김형호 부산대학교 병원 암연구소 2007 부산대병원학술지 Vol.- No.21
Purpose: Ghrelin is a endogenous ligand of the GH secretagogure (GHS) receptor mainly produced by the stomach. However, the ghrelin production capacity according to anatomic subdivisions of human stomach is not yet well established. The purpose of this study was to investigate ghrelin mRNA expression in the anatomic subdivisions of normal gastric tissue as well as in cancer tissue. Subject and Methods: Tissue samples were obtained from 16 individuals who underwent total gastrectomy for stomach cancer. The normal gastric tissues were harvested from the upper, middle, lower portion of stomach and cancer tissues from tumor mass, respectively. Total RNA was reverse transcribed with random hexamer primers and ghrelin mRNA was amplified by real time RT-PCR using specific primers and hybridization probes. Results: In normal gastric tissue, ghrelin mRNA was expressed and in cancer tissue, also. Mean ghrelin mRNA expression of upper, middle, lower portion of stomach and cancer tissues, expressed as the ratio of ghrelin mRNA to β-actin concentration, were 0.78 (range 0.041-3.88),0.20(range 01.28), 0.07 (range 0-0.67), 0.32 (range 0-3.67), respectively. The expression of ghrelin mRNA in upper portion of stomach was significantly higher than that in the lower portion of stomach (P<0.05). There was no correlation between ghrelin mRNA expression in upper portion of stomach and clinical parameters, such as age, sex and BMI. Conclusions: Ghrelin mRNA was expressed in cancer tissue as well as normal gastric tissue. The expression of ghrelin mRNA in the anatomic subdivisions of normal gastric tissue was higher in upper portion compared to the other portion of stomach. These findings provide clues to additional, as yet undefined, gastric neuroendocrine functions of this novel gastrointestinal hormone
전태용,윤현식,김형석,이정우,배정범,이해원 대한비뇨의학회 2017 Investigative and Clinical Urology Vol.58 No.1
Purpose: To assess recurrence rates of urinary incontinence in women with initial cure after transobturator tape (TOT) procedure at 3-year follow-up. Materials and Methods: Between June 2006 and May 2013, a total of 402 consecutive patients underwent the TOT procedure for female stress urinary incontinence (SUI) at Dongguk University Ilsan Hospital. Of the 402 patients, 223 had sufficient medical records for analysis. Therefore, they were followed-up for 3 years postoperatively. Patient characteristics, urinary symptoms, physical examination, and urodynamic parameters were evaluated. The primary end point of “cure” was defined as the absence of any complaint of urinary leakage without needing pads for usual activities. Results: Of the 223 patients, 196 patients (87.9%) were initially cured within 6 months postoperatively. Of the 196 patients, 70 (35.7%) had recurrent urinary incontinence at 3 years postoperatively, 51 (26.0%) had SUI, 16 (8.2%) had urgency urinary incontinence, and 3 (1.5%) had mixed urinary incontinence. In univariate analysis, preoperative urinary obstructive symptom was found to significant contributor to the recurrence of urinary incontinence at 3-year postoperatively (p=0.004). Conclusions: In our study, 35.7% of the women with initial cure after TOT experienced the recurrence of urinary leakage during the 3-year follow-up. The cure rate of TOT was decreased as time went by, although the initial cure rate was high.