Osteochondritis Dissecans

FIG. 95.7. Radiograph of the left hip joint of a 22-year-old man with Gaucher’s disease illustrating avascular necrosis of the head of the femur. This radiograph was obtained 2 years after the onset of pain in the hip.

FIG. 12.6. Osteochondritis dissecans. A: The anteroposterior view in normal. B: The tunnel view clearly shows a defect of the subchondral bone.

Fig B 14-3. Osteochondritis dissecans (arrow) at the ankle.

Fig B 24-7. Osteochondritis dissecans. (A) Knee. (B) Ankle.

FIG. 6.44. Magnetic resonance imaging appearance of avascular necrosis. A: Transverse T₁-weighted image of a patient (supine) with hip pain on long-term steroid therapy for lupus erythematosus shows nonspecific marrow edema (arrow) in the left femoral head (f). The location and clinical context of this finding are suggestive of avascular necrosis, but the imaging appearance is otherwise nonspecific. a, acetabulum; b, bladder. Sagittal T1

FIG. 6.44. Magnetic resonance imaging appearance of avascular necrosis. A: Transverse T₁-weighted image of a patient (supine) with hip pain...