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  • Title: [Differential diagnosis of acute testicular pain using color-coded duplex ultrasonography: difference between testicular torsion and epididymitis].
    Author: Becker D, Bürst M, Wehler M, Tauschek D, Herold C, Hahn EG.
    Journal: Dtsch Med Wochenschr; 1997 Nov 14; 122(46):1405-9. PubMed ID: 9417380.
    Abstract:
    OBJECTIVE: To assess retrospectively the accuracy of colour-coded duplex sonography (CCDS) in distinguishing testicular torsion from epididymitis as the cause of acute testicular pain. PATIENTS AND METHODS: The results of CCDS were analysed for all 81 patients (mean age 27.2 years [6 weeks to 60 years]), admitted between 1.1.1995 and 30.6.1996 with the diagnosis of acute testicular pain. Testicular torsion was diagnosed when CCDS failed to detect perfusion in one testis. Regular arterial and venous perfusion of both testes excluded torsion. Epididymitis was diagnosed when hyperperfusion of the epididymis was demonstrated by CCDS. RESULTS: 20 of 22 cases of torsion, subsequently diagnosed at surgery, had been correctly diagnosed by CCDS (sensitivity 90.9%, specificity 98.3%). 55 patients had epididymitis, confirmed by the clinical course and follow-up having excluded torsion. Other causes (trauma, tumour, inguinal hernia) were found in the remainder of patients. CONCLUSION: With a positive predictive value of 95.2% and a negative one of 96.6% CCDS is a highly suitable method for recognizing or excluding testicular torsion and thus clarifying the cause of acute testicular pain.
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