The following primary tumours are common in the vulva except :: (A) Adenocarcinoma, (B) Basal cell carcinoma, (C) Choriocarcinoma, (D) Squamous cell carcinoma
Answer is C. Invasive lesions of vulva : Squamous cell carcinoma--most common 90% Melanoma 1-5% Adenocarcinoma 1% Sarcoma 2% Rodent ulcer or basal cell carcinoma 1%. Reference: Shaw's Textbook of Gynaecology 16th edition page no 475