Fracture du col fémoral révélatrice d'un ostéosarcome de la hanche traitée par une prothèse massive

A 22 years patient with no significant pathological history consulted for right hip pain and total right lower limbs functional disability without general health deterioration a week before his hospitalization. Clinical examination performed at the time of admission objectified pain on palpation and after right hip mobilization. Plain radiography (A) and CT scan of the hip (B) objectified a right femoral neck pathologic fracture. Right epiphyseal-metaphyseal cervico-cephalic osteosarcoma was confirmed histologically. An evaluation of the extent of loco-regional recurrence and distant metastasis did not show other locations or metastasis. The patient underwent seven cycles of neoadjuvant chemotherapy, oncologic resection of the tumor and reconstruction with massive hip prosthesis (C).