Ultrasonic appearances and typing of testicular epidermoid cysts SONG
睾丸表皮样囊肿的超声表现及分型

Objective To discuss the ultrasonic appearances of testicular epidermoid cysts and summarize ultrasonic characteristics and typing.Methods The sonographic features of 21 testicular epidermoid cysts confirmed by surgery and pathological were retrospectively analyzed and typed.Results There were 21 cases of different features that could be typed into 5 ultrasonic patterns:(1)The onion ring type(12 cases) with alternating hypoechogenic and hyperechogenic concentric rings by ultrasound;(2) The perimeter calcifi...