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At least 1,243 records · Page 69Linked to original sources
PubMed2006

Cholangioscopy and cholangioscopic forceps biopsy in patients with indeterminate pancreaticobiliary pathology.

BACKGROUND & AIMS: We report the usefulness of cholangioscopy in patients with indeterminate pancreaticobiliary pathology. METHODS: A prospective collection of 62 consecutive patients during a period of 2.5 years who were referred to our tertiary referral center for cholangioscopy for indeterminate strictures suspicious for malignancy were included. Tissue sampling followed cholangioscopic visualization. Biopsies were obtained under direct visualization (cholangioscopy-directed) or through the duodenoscope (cholangioscopy-assisted). RESULTS: Sixty-two patients had 72 examinations. Forty patients had nondiagnostic sampling before cholangioscopy. Indications were stricture (n = 67: 16 primary sclerosing cholangitis, 51 non-primary sclerosing cholangitis), ductal dilation, or intraductal mass (n = 5). Biopsies were not performed in 19 because cholangioscopy did not identify suspicious lesions. Of the remaining 53 procedures, 29 underwent either cholangioscopy-directed or cholangioscopy-assisted biopsy, and 24 had both. Cholangioscopy findings consisted of primary sclerosing cholangitis only (n = 18), benign stricture or inflammatory changes (n = 18), bile duct cancer (n = 14), normal (n = 10), pancreatic cancer (n = 5), and other (n = 7). Fifty-eight patients (94%) had follow-up for a mean of 12.4 months (95% confidence interval, 10.1-14.7). Sixteen of 18 (89%) patients with a final diagnosis of malignancy were detected with cholangioscopy. The 2 missed cancers were intrahepatic cholangiocarcinomas. Overall, sensitivity to detect malignancy by cholangioscopy with and without biopsy was 89%, specificity 96%, positive predictive value 89%, and negative predictive value 96%. CONCLUSIONS: Cholangioscopy with and without biopsy is highly accurate in diagnosing and excluding pancreaticobiliary malignancy in patients with indeterminate strictures.

Adult↗
PubMed2000

Effectiveness of single dilation with Maloney dilator versus endoscopic rupture of Schatzki's ring using biopsy forceps.

Current recommendations for treatment of patients with symptomatic Schatzki's ring are based on anecdotal experience or uncontrolled studies. Maloney dilation is the gold standard. We performed a randomized controlled trial to compare the use of a single 52-Fr Maloney dilation versus four quadrant biopsy of Schatzki's ring for relief of dysphagia. The subjects answered standardized dysphagia-related questions on a scale of 0-5 (0 = no dysphagia; 5 = cannot handle secretions). To account for modifications in diet and eating habits, subjects answered 11 question to arrive at a eating/diet score. Patients with Schatzki's ring were randomized into one of the two protocols. Group 1 underwent endoscopic biopsies of the ring, one biopsy in each quadrant. In group 2, the endoscope was taken out, and a single 52-Fr Maloney dilation was performed. Twenty-six patients participated in the study and were followed for up to 15 months. There was no significant difference in age, sex, race, smoking, alcohol abuse, or medication intake between the two groups. Dysphagia score improved by 91% in both groups at three months and 84% and 85% at 12 months in groups 1 and 2, respectively. The eating/diet habit score improved by 78% in both groups. There was one failure in each group, and one recurrence at six months in the dilation group. Fifty-five percent of dilation group and 100% of biopsy group described the procedure as easy. There was no difference in the amount of sedatives used during the procedure or the acid blockers after the procedure. In patients undergoing endoscopy, the superior cost/safety profile of endoscopic biopsy makes it a preferred choice for treatment of Schatzki's ring over bougienage.

Deglutition Disorders↗