Kim SH, Moon JH, Lee YN, Choi HJ, Kim HK, Choi MH, Lee TH, Cha SW, Choi SY, Lee HK. Wire-guided
intraduodenal ultrasonography using a catheter probe in the differential diagnosis of enlarged ampullary lesions.
J Gastroenterol Hepatol 2017;
32:278-282. [PMID:
27254755 DOI:
10.1111/jgh.13455]
[Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/29/2015] [Revised: 05/05/2016] [Accepted: 05/13/2016] [Indexed: 12/18/2022]
Abstract
BACKGROUND AND AIM
It can be difficult to identify the cause of an enlarged ampulla of Vater (AOV). This study evaluated the accuracy of wire-guided intraduodenal ultrasonography (US) for the differential diagnosis of an enlarged AOV during endoscopic retrograde cholangiopancreatography (ERCP).
PATIENTS AND METHODS
Thirty-four patients with enlarged AOVs of unknown cause identified on imaging studies or endoscopic observations underwent wire-guided intraduodenal US using a catheter probe.
RESULTS
The final diagnoses were malignant or premalignant tumors in 10 patients (29.4%), stones in nine patients (26.5%), inflammation in 14 patients (41.2%), and cyst in one patient (2.9%). The overall diagnostic accuracy of intraduodenal US for enlarged AOVs was 91.2%. The diagnostic accuracies of stones, inflammation, and AOV tumors were 100.0%, 94.1%, and 91.1%, respectively.
CONCLUSIONS
Wire-guided intraduodenal US using a catheter probe is readily applicable during ERCP and may be useful in the differential diagnosis of enlarged ampullary lesions.
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