This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Hidradenoma of vulva occurs arises from 
Select and explain. 
A. Apocrine glands, B. Sebaceous glands, C. Subcutaneous tissue, D. Hair follicle
A: Apocrine glands
Answer: A: Apocrine glands 
Explanation: Ans. is 'a' i.e., Apocrine glandsHidradenoma - arises from the apocrine glands ofvulva.It rarely exceeds 1 cm sizeHistologically it shows cystic spaces enclosing a papillary adenomatous massIt may undergo malignant change and thus requires excision.