Document Detail

Plain film diagnosis of intussusception: prevalence of the target sign.
MedLine Citation:
PMID:  1739006     Owner:  NLM     Status:  MEDLINE    
We describe a feature of intussusception seen on plain abdominal films that to our knowledge has not been previously described. The abnormality, termed the "target sign," consists of two concentric, circular, radiolucent lines to the right of the spine superimposed on the kidney. Four observers examined 280 plain abdominal films; 180 were of 94 patients who had had 100 episodes of intussusception and 100 films were of 80 control subjects. The target sign was observed by three or four observers on plain films in 24 (26%) of 94 patients with intussusception and on 4% of radiographs of control subjects. There was no concordance between observers on false-positive findings seen in the control subjects. Our experience suggests that circular radiolucent lines superimposed on the right kidney on plain abdominal radiographs (target sign) constitute a useful diagnostic feature of intussusception.
J F Ratcliffe; S Fong; I Cheong; P O'Connell
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  AJR. American journal of roentgenology     Volume:  158     ISSN:  0361-803X     ISO Abbreviation:  AJR Am J Roentgenol     Publication Date:  1992 Mar 
Date Detail:
Created Date:  1992-03-19     Completed Date:  1992-03-19     Revised Date:  2008-02-15    
Medline Journal Info:
Nlm Unique ID:  7708173     Medline TA:  AJR Am J Roentgenol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  619-21     Citation Subset:  AIM; IM    
Department of Radiology, Royal Children's Hospital, Brisbane, Australia.
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MeSH Terms
Child, Preschool
Intussusception / radiography*
Radiography, Abdominal
Retrospective Studies

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