Image Based Question – 74340

A patient presenting with an adnexal mass was operated and the following tumor was removed. What is the likely diagnosis?

A. Mature teratoma

B. Dysgerminoma

C. Granulosa cell tumor

D. Mucinous adenocarcinoma

Correct Answer » A Explanation

Ans: A. Mature teratoma

(Ref:-Shaw 16/e p439, 15/e p377, Robbins 9/e p1029, 8/e p478)

• Gross specimen – Shows hair cells, teeth as well as ovarian tissue.
• Typical benign teratoma or dermoid cyst of ovary.

Benign teratomas:

• Characteristically unilocular cysts containing hair & sebaceous material.
• Sectioning reveals a thin wall lined by an opaque, gray-white, wrinkled epidermis with protruding hair shafts, grossly evident tooth, structures & areas of calcification