A 62 year old, married, multiparous woman (menopausal for past 18 years) presented with the complaint of having a hard nodule (which she described as a “stone”) in her genitalia. About 12 years earlier she developed a small swelling which was soft and painless initially, but later became hard and tender, causing discomfort during sexual intercourse. There was no history of ulceration, bleeding, or discharge from the swelling. On examination, a solitary vulvar tumour 2 × 1 cm in size was seen inside a thick walled sac with a narrow opening on the skin surface of upper third of the right labia minora (fig 1A). On palpation, the mass was “stony” hard in consistency and was tender on deep pressure. …