Aim: To classify (etiologically) and to evaluate various scrotal pathologies using ultrasonography and describe the role of high-resolution ultrasound and colour doppler in their diagnosis and differentiation. Methods: A prospective study was conducted in the RVM Institute of Medical Sciences & Research Centre, Laxmakkapally, Telangana, India for the period of 1 year. The 100 patients with clinical features of scrotal diseases were include in this study. All the patients included in the study underwent scrotal ultrasonography using 7.0-12.0 MHZ high frequency linear array transducer coupled with Colour Doppler in Esaote My Lab 40 and Phillips affinti 70G equipments.