Preferred Label : asterisk sign;
Definition : A star-shaped structure in the head of the femur, seen on CT, formed by thickened
weight-bearing bone trabeculae. Characteristic of osteonecrosis of the femoral head.;
Source : Skeletal Radiology 1982; 8:251-258;
Origin ID : RID35024;
Associated condition(s)
A star-shaped structure in the head of the femur, seen on CT, formed by thickened
weight-bearing bone trabeculae. Characteristic of osteonecrosis of the femoral head.