Bone marrow degenerative changes

1-Bone marrow changes are assessed only by MRI.

2-There are three types of bone marrow changes:

-Type 1 : due to bone marrow edema    T1=Hypo intense      T2=Hyper intense.

-Type 2 : due to bone marrow fatty degeneration  T1=Hyper intense  T2= Iso to hyper intense.

-Type 3 : due to bone sclerosis    T1=Hypo intense      T2=Hyper intense.