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Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?

PURPOSE: The aim of this study was to evaluate whether the comet tail artifact on ultrasonography can be used to reliably diagnose benign gallbladder diseases. METHODS: This retrospective study reviewed the clinical findings, imaging findings, preoperative ultrasonographic diagnoses, and pathologica...

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Autores principales: Oh, Sung Hoon, Han, Hyun Young, Kim, Hee Jin
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Korean Society of Ultrasound in Medicine 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6595125/
https://www.ncbi.nlm.nih.gov/pubmed/30481951
http://dx.doi.org/10.14366/usg.18029
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author Oh, Sung Hoon
Han, Hyun Young
Kim, Hee Jin
author_facet Oh, Sung Hoon
Han, Hyun Young
Kim, Hee Jin
author_sort Oh, Sung Hoon
collection PubMed
description PURPOSE: The aim of this study was to evaluate whether the comet tail artifact on ultrasonography can be used to reliably diagnose benign gallbladder diseases. METHODS: This retrospective study reviewed the clinical findings, imaging findings, preoperative ultrasonographic diagnoses, and pathological diagnoses of 150 patients with comet tail artifacts who underwent laparoscopic cholecystectomy with pathologic confirmation. The extent of the involved lesion was classified as localized or diffuse, depending on the degree of involvement and the anatomical section of the gallbladder that was involved. This study evaluated the differences in clinical and imaging findings among pathologic diagnoses. RESULTS: All gallbladder lesions exhibiting the comet tail artifact on ultrasound examination were confirmed as benign gallbladder diseases after cholecystectomy, including 71 cases of adenomyomatosis (47.3%), 74 cases of chronic cholecystitis (49.3%), two cases of xanthogranulomatous cholecystitis (1.3%), and three cases of cholesterolosis (2.0%); there were two cases of coexistent chronic cholecystitis and low-grade dysplasia. There were no statistically significant differences in any of the clinical and ultrasonographic findings, with the exception of gallstones (P=0.007), among the four diseases. There were no significant differences in the average length, thickness, or number of comet tail artifacts among the four diagnoses. No malignancies were detected in any of the 150 thickened gallbladder lesions. CONCLUSION: The ultrasonographic finding of the comet tail artifact in patients with thickened gallbladder lesions is associated with the presence of benign gallbladder diseases, and can be considered a reliable sign of benign gallbladder disease.
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spelling pubmed-65951252019-07-06 Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases? Oh, Sung Hoon Han, Hyun Young Kim, Hee Jin Ultrasonography Original Article PURPOSE: The aim of this study was to evaluate whether the comet tail artifact on ultrasonography can be used to reliably diagnose benign gallbladder diseases. METHODS: This retrospective study reviewed the clinical findings, imaging findings, preoperative ultrasonographic diagnoses, and pathological diagnoses of 150 patients with comet tail artifacts who underwent laparoscopic cholecystectomy with pathologic confirmation. The extent of the involved lesion was classified as localized or diffuse, depending on the degree of involvement and the anatomical section of the gallbladder that was involved. This study evaluated the differences in clinical and imaging findings among pathologic diagnoses. RESULTS: All gallbladder lesions exhibiting the comet tail artifact on ultrasound examination were confirmed as benign gallbladder diseases after cholecystectomy, including 71 cases of adenomyomatosis (47.3%), 74 cases of chronic cholecystitis (49.3%), two cases of xanthogranulomatous cholecystitis (1.3%), and three cases of cholesterolosis (2.0%); there were two cases of coexistent chronic cholecystitis and low-grade dysplasia. There were no statistically significant differences in any of the clinical and ultrasonographic findings, with the exception of gallstones (P=0.007), among the four diseases. There were no significant differences in the average length, thickness, or number of comet tail artifacts among the four diagnoses. No malignancies were detected in any of the 150 thickened gallbladder lesions. CONCLUSION: The ultrasonographic finding of the comet tail artifact in patients with thickened gallbladder lesions is associated with the presence of benign gallbladder diseases, and can be considered a reliable sign of benign gallbladder disease. Korean Society of Ultrasound in Medicine 2019-07 2018-10-03 /pmc/articles/PMC6595125/ /pubmed/30481951 http://dx.doi.org/10.14366/usg.18029 Text en Copyright © 2019 Korean Society of Ultrasound in Medicine (KSUM) This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted noncommercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
spellingShingle Original Article
Oh, Sung Hoon
Han, Hyun Young
Kim, Hee Jin
Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
title Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
title_full Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
title_fullStr Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
title_full_unstemmed Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
title_short Comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
title_sort comet tail artifact on ultrasonography: is it a reliable finding of benign gallbladder diseases?
topic Original Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6595125/
https://www.ncbi.nlm.nih.gov/pubmed/30481951
http://dx.doi.org/10.14366/usg.18029
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