siderotic synovitis
Siderotic synovitis is a condition that can occur with chronic haemarthroses.
Pathology
It is characterized by rusty synovial pigmentation and hyperplasia but with an absence of foam cells and multinucleated giant cells which are seen in PVNS.
Predisposing conditions
- bleeding disorders
- synovial hemangioma
Radiographic features
MRI
May be seen as a focal or diffuse proliferation of the synovium. Signal characteristics can mimic pigmented villonodular synovitis (PVNS) and include
- T1: low signal
- T2: low signal
- gradient echo (GE): shows blooming
Differential diagnosis
On MRI consider:
Siehe auch:
und weiter:
Assoziationen und Differentialdiagnosen zu siderotic synovitis:
