All of the following are germ cell tumours except? – Gynaecology MCQ

All of the following are germ cell tumours except?
A. Mesonephroid tumors
B. Teratoma
C. Dysgerminoma
D. Endodermal sinus tumour

Correct answer: A. Mesonephroid tumors

Ovarian clear cell carcinoma

• Germ cell tumours include Teratoma, Dysgerminoma, Endodermal sinus tumour, Embryonal carcinoma, Polyembryoma, Choriocarcinoma and mixed forms.
• Mesonephroid tumour is an epithelial tumour.
• It is also known as clear cell carcinoma.
• It is an uncommon tumour of ovary.
• It is highly malignant.

Ref: Shaw’s Textbook of Gynaecology, 15th edition, p373-376.
Image credits: Nephron. Licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license. https://en.wikipedia.org/wiki/File:Ovarian_clear_cell_carcinoma_-a-_very_high_mag.jpg