<prompt> Hidradenoma of vulva occurs arises fromApocrine glandsSebaceous glandsSubcutaneous tissueHair follicle  <response>: 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. 