All of the following ovarian tumours usually occur bilaterally. Except -
Ans. is 'b' > 'd' Dysgerminoma (more than Dermoid cyst) (Ref Shaws, 13/e, p 361 (12/e, p 317)).Two option b & d seem to be correct in this question (b is the better option to go with).About dysgerminoma Shaw's states "It is usually unilateral."About dermoid cyst Shaw states that "Dermoid cyst is bilateral" in 10-15% cases. "Ovarian adenomas are bilateral in 50% cases and.Metastasis to ovary is always bilateral.
Metastatic mass
Dysgerminoma
Adenoma of ovary
Dermoid cyst
Ovary