Recent advances in sonography of the testis and scrotum.

Ultrasonography remains an accurate, rapid, and safe tool in the imaging of disorders of the testes and scrotum. The strengths of gray scale sonography lie in its ability to distinguish intratesticular from extratesticular processes. Improvements in resolution permit greater confidence in the characterization of lesions as representing simple fluid, complex fluid, or solid lesions. The addition of flow information by color Doppler ultrasonography and duplex Doppler ultrasonography represents the most exciting recent advancement, permitting even more diagnostic information in the evaluation of these patients.

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