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What is All of the following ovarian tumours usually occur bilaterally. Except - and explain in detail?
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.