- True about struma ovarii
a) Ectopic thyroid
b) Ectopic ovary
c) Malignancy
d) Benign lesion
e) Included in Teratoma
Answer: d and e
Explanation:
Struma ovarii is a rare ovarian tumor defined by the presence of thyroid tissue comprising more than 50% of the overall mass.
It most commonly occurs as part of a Teratoma, but may occasionally be encountered with serous or mucinous cystadenomas.
The vast majority of struma ovarii are benign; however, malignant disease is found in a small percentage of ca