Document Detail

A prospective study of ultrasonography in the diagnosis of appendicitis.
MedLine Citation:
PMID:  3306375     Owner:  NLM     Status:  MEDLINE    
The diagnosis of appendicitis is frequently difficult. We studied prospectively the diagnostic accuracy and clinical impact of abdominal ultrasonography in 111 consecutive patients thought to have appendicitis. Ultrasonography was performed with small high-resolution, linear-array transducers, with the abdomen compressed to displace or compress bowel and fat. Among 52 patients later shown in surgery to have appendicitis, ultrasonography was unequivocally positive in 39 (sensitivity, 75 percent). Of 31 patients in whom appendicitis was definitely excluded, none had a positive ultrasound examination (specificity, 100 percent). The sensitivity in those with a perforated appendix (28.5 percent) was much lower than in those with acute nonperforating appendicitis (80.5 percent) or appendiceal mass (89 percent), but the low sensitivity did not influence clinical management, since the need for surgery in patients with a perforated appendix was clinically obvious. Ultrasonography resulted in changes in the proposed management in 29 of the 111 patients (26 percent). It also led to the correct diagnosis in the 16 patients who were found to have a disease other than appendicitis. We conclude that ultrasonography is a useful aid in the diagnosis of appendicitis.
J B Puylaert; P H Rutgers; R I Lalisang; B C de Vries; S D van der Werf; J P Dörr; R A Blok
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  The New England journal of medicine     Volume:  317     ISSN:  0028-4793     ISO Abbreviation:  N. Engl. J. Med.     Publication Date:  1987 Sep 
Date Detail:
Created Date:  1987-10-05     Completed Date:  1987-10-05     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  0255562     Medline TA:  N Engl J Med     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  666-9     Citation Subset:  AIM; IM    
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MeSH Terms
Aged, 80 and over
Appendicitis / diagnosis*,  surgery
Diagnosis, Differential
Middle Aged
Prospective Studies
Ultrasonography / methods*

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