Preferred Label : musculoskeletal crescent sign;
RADLEX synonyms : crescent sign musculoskeletal; crescent sign;
Definition : Subchondral lucent line, usually in proximal femoral or humeral head, visible on a
radiograph. Indicates avascular necrosis. More readily visible when traction is applied.;
Source : Radiology 2000; 217:213-214 Martel, W, Poznanski, AK. The Effect of Traction on the
Hip in Osteonecrosis: A Comment on the ?Radiolucent Crescent Line.? Radiology. March
1970 94:505-508;
Origin ID : RID35391;
Associated condition(s)
Subchondral lucent line, usually in proximal femoral or humeral head, visible on a
radiograph. Indicates avascular necrosis. More readily visible when traction is applied.
