Which one of the following not is true regarding choriocarcinoma?
Aggressive malignancy
Raised HCG levels
Common below 20 years of age
Gonadal type is chemosensitive
hCG is synthesised by placental syncytiotrophoblast such as in various non-seminomatous germ cell tumours of the testis (e.g. in choriocarcinoma, yolk sac tumour and embryonal carcinoma). However, ectopic hCG production may occur in a variety of non-testicular non-germ cell tumours as well. Ref: TEXTBOOK OF PATHOLOGY 6th EDITION - HARSH MOHAN PAGE NO:709 Choriocarcinoma in females is of 2 types--gestational and nongestational. The marker for both types of choriocarcinoma is hCG. Ref: TEXTBOOK OF PATHOLOGY 6th EDITION - HARSH MOHAN PAGE NO:748
miscellaneous