Document Detail

[Diagnostic value of strain index in prostate peripheral zone lesions by real time tissue elastography].
MedLine Citation:
PMID:  21050559     Owner:  NLM     Status:  In-Process    
OBJECTIVE: To investigate the value of strain index (SI) by transrectal real-time tissue elastography (TRTE) for differentiation of the prostate peripheral zone lesions.
METHODS: Totally 83 patients with suspected prostate cancer underwent the quantitative analysis by TRTE examination. The SI of total lesions (ASI) and peak elasticity in lesion (PSI) were calculated, and the pathologic findings were compared. Then the values of ASI and PSI in the differential diagnosis of prostate lesions were assessed. The influence of Gleanson scores on SI was evaluated.
RESULTS: The area under the Receiver Operating Characteristic curves (or ROC curves) of ASI and PSI were 0.62 (P=0.06) and 0.92 (P=0.00) respectively for the differential diagnosis of prostate peripheral lesions. When a cutoff point of 17.44 was used,PSI had a sensitivity of 74.5% and a specificity of 83.3%. Gleason scores showed no significant difference between PSIü 17.44 group and PSIþ17.44 group ( P>0.05).
CONCLUSION: PSI is helpful for the differential diagnosis of prostate peripheral zone lesions.
Yan Zhang; Jie Tang; Yan-mi Li; Xiang Fei; En-hui He; Yuan Gao
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Publication Detail:
Type:  English Abstract; Journal Article    
Journal Detail:
Title:  Zhongguo yi xue ke xue yuan xue bao. Acta Academiae Medicinae Sinicae     Volume:  32     ISSN:  1000-503X     ISO Abbreviation:  Zhongguo Yi Xue Ke Xue Yuan Xue Bao     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-11-05     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8006230     Medline TA:  Zhongguo Yi Xue Ke Xue Yuan Xue Bao     Country:  China    
Other Details:
Languages:  chi     Pagination:  549-52     Citation Subset:  IM    
Department of Ultrasound, Chinese PLA General Hospital, Beijing 100853, China.
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