Thoracolumbar Paraspinal Heterotopic Ossification (H.O)

A rare disorder in the skeletal system is the fibrodysplasia ossificans progressive (FOP) that is a sever, disabling disease, autosomal dominant, occasionally sporadic, ectopic ossifying condition and involvement of the muscles together with malformation the great toe.

We report a case of the thoracolumbar heterotopic (H.O) in the 16 years Old Iranian female student. The patient presented with about a history of the back pain and restriction of the lumbar motion especially in the flexion and bilateral short hallux valgus.

This is the first report of an atruamatic thoracolumbar paraspinal H.O in the our center. We don’t the awareness from fibrodysplasia ossificans progressiva.

The understanding and awareness of the FOP is essential for the physicians according to the extra-skeletal heterotropic bone formation and the congenital hallux.