Most common type of teratoma of the testis is?
A. Teratoma differentiated
B. Malignant teratoma intermediate
C. Malignant teratoma anaplastic
D. Malignant teratoma trophoblastic
Correct answer : B. Malignant teratoma intermediate
Teratoma - histologyHistology of teratoma
Teratoma arises from totipotent cells in the rete testis.
Histologically it is classified into 4 types:
Teratoma differentiated
Malignant teratoma intermediate
Malignant teratoma anaplastic
Malignant teratoma trophoblastic
The most common type is malignant teratoma intermediate.
It contains malignant and incompletely differentiated components.
Ref: Bailey and Love’s Short Practice of Surgery, 25th edition, p 1385.
Image credits: Nephron. https://en.wikipedia.org/wiki/File:Teratoma_2_low_mag.jpg Licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.
