Distal femoral duplication and fibular agenesis associated with congenital cardiac defect.

A newborn, who had the congenital anomalies including protuberance on the right lower leg, bilateral equinovarus deformity of the feet, genu valgum with knee flexion deformity, syndactyly between the first and the second digit on the right, in addition with the absence of the fifth digit. Echocardiography revealed a secundum type atrial septal defect. The combination of these congenital defects associated with developmental anomalies of lower extremities. We discuss the clinical, radiological findings and pathogenesis of this lower extremity malformation.