Abstract:
a fourteen year old girl presented to the Emergency Treatment unit of the Hospital with vague lower abdominal pain and a cystic mass in the hypogastrium suspected for ovarian cyst. It was diagnosed with heamatocolpos by ultrasonography. The mass measured 8cm x 6cm with normal size uterus. Subsequent perineal examination revealed imperforate hymen without significant bulge. Hymenotomy was done;1000ml chocolate colour material
drained. Although rare, imperforate hymen can be kept in mind specially by the attending physician and a history about menstruation plus perineal examination shall be made when adolescent girl presents with lower abdominal pain and/or mass
