Fig. 1From: Pre-surgical CT-assessment of neurogenic myositis ossificans of the hip and risk factors of recurrence: a series of 101 consecutive patientsAxial CT images in four different patients. a anterior osteoma (arrow). b posterior osteoma (arrow). c circumferential osteoma. d anterior osteoma in a 31 year-old male patient. Central hypodensity with thin peripheral enhancement corresponding to an immature portion (black arrow)Back to article page