Teenager with a painless right testicular mass

US of testicular epidermoid cyst
Transverse (above) and sagittal (below) color doppler US of the right testicle shows an intratesticular, round, well-marginated, hypovascular lesion which has a hyperechoic center and a hypoechoic perhiphery (target sign) and overall a whorled appearance.

The diagnosis was testicular epidermoid cyst.