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. 1984 Apr;151(1):43-4.
doi: 10.1148/radiology.151.1.6701331.

Protrusio acetabuli in sickle-cell anemia

S Martinez, J S Apple, C Baber, C E Putman, W F Rosse

Protrusio acetabuli in sickle-cell anemia

S Martinez et al. Radiology. 1984 Apr.

Abstract

Of 155 adults with sickle-cell anemia (SS, SC), radiographs of the pelvis or hip demonstrated protrusio acetabuli on at least one side in 14 (3 men and 11 women), as indicated by projection of the acetabular line medial to the ilio-ischial line by greater than or equal to 3 mm in men and greater than or equal to 6 mm in women. All 14 patients had bone changes attributable to sickle-cell anemia, including marrow hyperplasia and osteonecrosis; however, the severity of femoral or acetabular osteonecrosis did not appear directly related to the protrusion. The authors conclude that sickle-cell anemia can predispose to development of protrusio acetabuli.

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