Preferred Label : double-line sign;
Definition : Hyperintense line and parallel hypointense rim seen on T2-weighted MR image of long
bone metaphysis or epiphysis. Suggests osteonecrosis; hyper- and hypointense line
represent granulation tissue and sclerotic bone, respectively.;
Source : Radiology 1999; 212:541-542;
Origin ID : RID35173;
- Associated condition(s)
Hyperintense line and parallel hypointense rim seen on T2-weighted MR image of long
bone metaphysis or epiphysis. Suggests osteonecrosis; hyper- and hypointense line
represent granulation tissue and sclerotic bone, respectively.