Siderotic synovitis

Siderotic synovitis is a condition that can occur with chronic haemarthrodes.

It is characterised by rusty synovial pigmentation and hyperplasia but with an absence of foam cells and multinucleated giant cells which are seen in PVNS.

Predisposing conditions
MRI

May be seen as a focal or diffuse proliferation of the synovium. Signal characteristics can mimic pigmented villonodular synovitis (PVNS) and include 1,4

  • T1: low signal 
  • T2: low signal
  • gradient echo (GE): shows blooming

On MRI consider:

Share Article

Article Information

rID: 11056
Synonyms or Alternate Spellings:
  • Haemosiderotic synovitis
  • Hemosiderotic synovitis

Support Radiopaedia and see fewer ads

  • Drag
    Case 1
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.