For each of the types of testicular tumour listed on the left, select the most appropriate association from the list on the right

The answer is D, E, B. Differentiated teratoma resembles the ovarian cystic teratoma, but is malignant in the male. It occurs before puberty.

Embryonal carcinoma is an anaplastic variant of teratoma and have poor prognosis.

Seminoma is the commonest type of testicular tumour, occurring usually in the forth decade and consists of sheets of large pale cells and lymphocytes.

The commonest testicular tumour in the elderly (A) is a lymphoma. A teratoma consisting of trophoblastic elements (C) resembles choriocarcinoma and may secrete HCG, which may be used as a serum marker.