case_images: PMC7751704_01
case_images: 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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case_images: A 20-year-old woman fell while playing volleyball and incurred a subtrochanteric fracture of her right femur (Figure 1).
case_images: 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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case_images: 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).
case_images: 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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case_images: Subsequently, the lag and plate were attached (Figure 3A and B).
case_images: 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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case_images: 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).