Femoral hernia causing pneumoperitoneum.

Richter's hernia, in which only a portion of the circumference of the intestine lies within the sac, is a common complication of femoral hernia. This case report is of 39 year old female who presented with a pneumoperitoneum and was found at laparotomy to have a right femoral Richter's hernia containing a knuckle of perforated small bowel. This is a previously unreported presentation of femoral hernia.