Imaging feature Plain xray - joint effusion. - No calcification

T1 low T2 low STIR and T1fs low Old hematoma

T1 low signal T2 high Dwi restriction Congenital lesion Adjacent

Myositis with pyositis, in left gluteal muscles.

ACL tear with Medial meniscus tear

Typical signal characteristics include: T1: low/intermediate signal T2: high signal

- Sacroiliac joint fusion bilateral - MRI is more sensitive

Nice case of ABC

Right

GCT vs enchondroma