PMC4897011_01
25-year-old man with granulosa cell tumor of the left testis. Sonogram in longitudinal plane shows lesion at the upper pole. The lesion is hypoechoic with scattered foci of high level echoes and an area of calcification.
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However an ultrasound scan of his scrotum in the interim showed a 5mm hypoechoic lesion with scattered foci of high level echoes and an area of calcification in the upper pole of the left testicle close to the hilum (Fig. 1) There was a sharp well-defined margin but internal vascularity was noted, and the appearances raised the possibility of malignant disease (Fig. 2).