Document Detail

Sonographic findings in cases of missed gallstones.
MedLine Citation:
PMID:  10064408     Owner:  NLM     Status:  MEDLINE    
PURPOSE. We retrospectively evaluated sonographic findings in 946 cases of gallstones to determine whether the false-negative rate for gallstone detection by sonography has decreased as a result of technologic advances over the past 15 years. METHODS: We reviewed preoperative sonographic reports, operative notes, and pathologic reports for 614 women and 332 men (ages 22-78 years) seen over a 2.5-year period and compared sonographic findings with surgical pathologic findings after cholecystectomy. Sonograms for patients whose gallstones were missed on sonography were reviewed by 3 board-certified radiologists. RESULTS: Preoperative sonography of the gallbladder accurately predicted the presence of gallstones in 934 cases (98.7%). Gallstones were not identified by sonography in the remaining 12 cases. In those cases, sonography revealed polyps in 5, sludge in 5, sludge plus a polyp in 1, and neither stones nor polyps in 1. Thus, the false-negative rate was 1.3%. CONCLUSIONS: Despite improvements in sonographic technology, detection of small gallstones remains difficult in some cases. Adherent gallstones can mimic gallbladder polyps. Our false-negative rate for detection of gallstones was no different from that in earlier studies.
K N Chintapalli; A A Ghiatas; S Chopra; B Escobar; C C Esola; G D Dodd
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Journal of clinical ultrasound : JCU     Volume:  27     ISSN:  0091-2751     ISO Abbreviation:  J Clin Ultrasound     Publication Date:    1999 Mar-Apr
Date Detail:
Created Date:  1999-04-13     Completed Date:  1999-04-13     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0401663     Medline TA:  J Clin Ultrasound     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  117-21     Citation Subset:  IM    
Department of Radiology, The University of Texas Health Science Center at San Antonio, 78284-7800, USA.
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MeSH Terms
Cholelithiasis / pathology,  surgery,  ultrasonography*
False Negative Reactions
Middle Aged
Predictive Value of Tests
Reproducibility of Results
Retrospective Studies
Sensitivity and Specificity

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