Document Detail

CT features of renal infarction.
MedLine Citation:
PMID:  12350414     Owner:  NLM     Status:  MEDLINE    
PURPOSE: To demonstrate the different patterns of renal infarction to avoid pitfalls. To present 'flip-flop enhancement' pattern in renal infarction. MATERIALS AND METHODS: Retrospective review of a total of 41 renal infarction in 37 patients were done. These patients underwent initial CT and the diagnosis of renal infarction was confirmed with either follow up CT or at surgery. RESULTS: Twenty-three patients had wedge-shaped focal infarcts, nine patients had global and five patients had multifocal infarcts of the kidneys. Cortical rim sign was seen predominantly with global infarcts. In five patients, a 'flip-flop enhancement' pattern was observed. In two patients, planned renal biopsies due to tumefactive renal lesions were cancelled because of 'flip-flop enhancement' pattern on follow up CTs. CONCLUSION: Although most of our cases were straightforward for the diagnosis of renal infarction, cases with tumefactive lesions and global infarctions without the well-known cortical rim sign were particularly challenging. We describe a new sign, flip-flop enhancement pattern, which we believe solidified the diagnosis of renal infarction in five of our cases. The authors recommend further investigations for association of flip-flop enhancement and renal infarction.
Okan Suzer; Ali Shirkhoda; S Zafar Jafri; Beatrice L Madrazo; Kostaki G Bis; James F Mastromatteo
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  European journal of radiology     Volume:  44     ISSN:  0720-048X     ISO Abbreviation:  Eur J Radiol     Publication Date:  2002 Oct 
Date Detail:
Created Date:  2002-09-27     Completed Date:  2003-01-02     Revised Date:  2004-11-17    
Medline Journal Info:
Nlm Unique ID:  8106411     Medline TA:  Eur J Radiol     Country:  Ireland    
Other Details:
Languages:  eng     Pagination:  59-64     Citation Subset:  IM    
Department of Radiology, William Beaumont Hospital, 3601 W. 13 Mile Rd., Royal Oak, MI 48073, USA.
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MeSH Terms
Aged, 80 and over
Contrast Media
Infarction / radiography*
Kidney / blood supply*,  radiography
Middle Aged
Tomography, X-Ray Computed*
Reg. No./Substance:
0/Contrast Media

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