Significant predictors for determination of testicular rupture on sonography: a prospective study.

Significant predictors for determination of testicular rupture on sonography: a prospective study. Research Abstract Details 

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Significant predictors for determination of testicular rupture on sonography: a prospective study. Abstract Text:

Seung Ho Kim,Sungchan Park,Seung Hong Choi,Woo Kyoung Jeong,Jun Ho Choi,Seung Ho Kim,Sungchan Park,Seung Hong Choi,Woo Kyoung Jeong,Jun Ho Choi,Seung Ho Kim,Sungchan Park,Seung Hong Choi,Woo Kyoung Jeong,Jun Ho Choi,

OBJECTIVE: The purpose of this study was to evaluate prospectively useful sonographic diagnostic criteria for testicular rupture in patients with blunt scrotal trauma and to determine significant predictors among the criteria. METHODS: From July 2004 to February 2007, 29 consecutive patients (mean age, 22.8 years; range, 20-43 years) with blunt scrotal trauma who underwent scrotal sonography were enrolled. Ten ruptured testes and 6 intact testes were confirmed by surgery, and an additional 13 intact testes were confirmed by a physical examination. The sonographic findings were recorded with respect to contour irregularity, the presence of intratesticular and extratesticular heterogeneous echoes, loss of blood flow on color Doppler sonography, and engorgement of the pampiniform plexus by consensus between 2 radiologists. The sonographic findings used to diagnose testicular rupture were analyzed by the Fisher exact test, and significant predictors were determined by multiple regression analysis. RESULTS: The ruptured testes showed contour irregularity (P = .0002), a heterogeneous intratesticular echo pattern (P = .0077), and loss of blood flow on color Doppler sonography (P = .0093). Engorgement of the pampiniform plexus was seen in most nonruptured testes (P = .0178). Contour irregularity was the only significant predictor for the diagnosis of testicular rupture (P = .0002). On the basis of this single predictor, diagnostic predictive values for sonography were calculated; the accuracy, sensitivity, and specificity were all 90%. The positive predictive value and negative predictive value were 82% and 94%, respectively. CONCLUSIONS: Among the useful sonographic criteria, contour irregularity is the only significant predictor for the diagnosis of testicular rupture in patients with blunt scrotal trauma.

Significant predictors for determination of testicular rupture on sonography: a prospective study. Publishing Authors By Initials

SH Kim,S Park,SH Choi,WK Jeong,JH Choi,SH Kim,S Park,SH Choi,WK Jeong,JH Choi,SH Kim,S Park,SH Choi,WK Jeong,JH Choi,

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Significant predictors for determination of testicular rupture on sonography: a prospective study. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: Journal of ultrasound in medicine : official journ

VOLUME: 26

Page Numbers: 1649-55

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ISSN: 0278-4297

DAY: 21

MONTH: Dec

YEAR: 2007

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LANGUAGE: eng

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AFFILIATION: Department of Radiology, Seoul National University Hospital, Yongon-dong 28, Chongno-gu, Seoul 110-744, Korea. radiresi@radiol.snu.ac.kr.

Country: United States

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MEDLINETA: J Ultrasound Med

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