Most common type of teratoma of the testis is? – Surgery MCQ

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.

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