PMC7751704_01
X-ray examination results of the pelvis showed a right subtrochanteric femoral fracture and osteosclerosis of the pelvis with bone-within-bone appearance in the iliac wing and obliteration of the femoral medullary canal.
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A 20-year-old woman fell while playing volleyball and incurred a subtrochanteric fracture of her right femur (Figure 1).
Anteroposterior radiograph of the lumbar spine (A) showed the appearance of a "rugger jersey spine "caused by thickening of vertebral endplates. Anteroposterior radiograph of right knee (B) showed no "Erlenmeyer flask" deformity of the distal femur.
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The patient had the following typical imaging manifestations of OP: increased radiation density of the entire skeleton, absence of medullary canals, appearance of a "thick Jersey spine" or "sandwich vertebrae" caused by thickening of the vertebral endplates, and several sclerotic concentric bands (bone-within-bone) in the iliac wing (Figure 2A). Radiographs of the right knee showed no "Erlenmeyer flask" deformity of the distal femur (Figure 2B).
Postoperative radiographs of the pelvis (A, B) showed the right subtrochanteric femoral fracture with a dynamic hip screw and fracture of the right femoral neck.
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Subsequently, the lag and plate were attached (Figure 3A and B).
The X-ray examination results (A, B) showed complete healing of the subtrochanteric fracture and femoral neck fracture 2 years after surgery.
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At 12 months postoperatively, there was complete healing of the fractures on X-ray examination, and the patient was allowed to commence full weightbearing (Figure 4A and B).