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Multislice CT scan of both hips with multiplanar reconstruction revealed:
- comminution of the left femoral neck
- the left femoral shaft is seen displaced upward and laterally
- a relatively smaller size left capital femoral epiphysis as compared to the contralateral aspect
- mildly hypoplastic left iliac plate with relatively flattened iliac fossa
- reduced length and abnormal rotation of the left femoral shaft. Mild sclerosis of the upper aspect of the left femoral shaft is seen as well
- a horizontal radio-lucent fracture line is seen traversing the subtrochanteric region of the left femur
- reduced girth of the muscle groups around the left hip joint and the proximal thigh, likely representing disuse atrophy
- normal osseous features of the right femoral epiphyses
- preserved hip joints spaces
- no evidence of joint effusion or intra-articular loose bodies
- the muscle groups around the right hip are normal in appearance with preserved intermuscular fat planes
The above-described features are suggestive of proximal focal femoral deficiency (type B Aitken's classification), for clinical correlation.