Successful ambulation by surgical conversion in a complex form of epigastric heteropagus.

A female neonate with a complex form of epigastric heteropagus and with three legs was referred to us. The left leg appeared normal, the central one was hypoplastic and resected 1 month after birth, and the right one projected in the cranial direction with knee flexion contracture. Three bones of the parasite were sandwiched between the right ilium and the ischiopubic bones of the autosite. At the age of 4, we performed the subtrochanteric femoral osteotomy with 90 degrees of varization and rotation, along with knee disarticulation. Ambulation was successfully achieved with the prosthesis with a multiaxis knee unit.