33+ Seminoma Pictures. Intratubular seminoma may be adjacent to invasive seminoma (30% cases). Most common germ cell tumour of the testis.
It should not be confused with the unrelated tumour called spermatocytic seminoma. Seminoma often comes into the differential diagnosis of other testicular tumors. Seminomas usually appear as a homogeneous intratesticular mass of low echogenicity compared to normal testicular tissue.
It is a malignant neoplasm and is one of the most treatable and curable cancers, with a survival rate above 95% if discovered in early stages.
Intratubular seminoma may be adjacent to invasive seminoma (30% cases). Ec cells have larger, more irregular nuclei. Histologic factors affecting prognosis of pure seminoma of the testis, sth. Testicular seminoma originates in the germinal epithelium of the seminiferous tubules.