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Differential diagnosis between gallbladder adenomas and cholesterol polyps on contrast-enhanced harmonic endoscopic ultrasonography

Authors
 Chan Hyuk Park ; Moon Jae Chung ; Si Young Song ; Woo Jung Lee ; Ho Kyoung Hwang ; Hyunki Kim ; Seung Woo Park ; Seungmin Bang ; Jeong Youp Park ; Tak Geun Oh 
Citation
 Surgical Endoscopy and Other Interventional Techniques, Vol.27(4) : 1414~1421, 2013 
Journal Title
 Surgical Endoscopy and Other Interventional Techniques 
ISSN
 0930-2794 
Issue Date
2013
Abstract
BACKGROUND: Differential diagnosis between gallbladder (GB) adenomas and cholesterol polyps based on ultrasonography or endoscopic ultrasonography (EUS) is challenging because they have similar echogenicity and morphology. We evaluated the usefulness of contrast-enhanced harmonic EUS (CEH-EUS) for differentiating between GB adenomas and cholesterol polyps. METHODS: Between June 2010 and December 2011, a total of 87 patients with GB polyps who underwent a CEH-EUS were reviewed retrospectively. RESULTS: Of the 87 patients, 57 had a cholecystectomy. Of these, 34 patients were diagnosed with adenoma, cholesterol polyp, adenocarcinoma, or adenomyomatosis pathology. The remaining 23 patients were not diagnosed with GB polyps because their lesions separated from the GB mucosal layer during pathological sampling. On CEH-EUS, homogeneous and heterogeneous enhancement was shown in 6 and 2 patients with adenoma and in 4 and 8 patients with cholesterol polyps, respectively. Sensitivity and specificity of CEH-EUS for differential diagnosis of GB adenomas from cholesterol polyps based on the enhancement pattern were 75.0 and 66.6 %, respectively. CONCLUSION: CEH-EUS might be useful for distinguishing GB adenomas and cholesterol polyps based on enhancement patterns. However, an additional technique such as quantitative perfusion analysis is necessary because visual assessment of CEH-EUS images is subjective.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/86754
DOI
10.1007/s00464-012-2620-x
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
1. 연구논문 > 1. College of Medicine > Dept. of Pathology
1. 연구논문 > 1. College of Medicine > Dept. of Surgery
Yonsei Authors
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Link
 http://link.springer.com/article/10.1007%2Fs00464-012-2620-x
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