Low magnification micrograph of a<unk> . H&E stain. On ultrasound, a<unk>  appears as a hypoechoic intratesticular lesion which is usually solitary. However, the large<unk>  subtype might present as multiple and bilateral masses with large areas of calcification. An MRI may also be conducted, but this typically is not definitive. Microscopy and immunohistochemistry are the only way to give a definitive diagnosis, especially when there is a suspected seminoma.
Sertoli cell tumour
Granulosa cell tumour
Leydig cell tumour
Ovarian germ cell tumors
Gonadoblastoma
Sertoli–Leydig cell tumour
Theca lutein cyst
Sex cord–gonadal stromal tumour