Pigmented villonodular synovitis - ankle joint

Case contributed by Dr Roberto Schubert

Presentation

Pain and swelling at the medial and lateral ankle for several months. X-rays inconspicuous.

Patient Data

Age: 45 years
Gender: Male

Intrasynovial well-defined soft tissue lesions are noted at the ankle joint with low signal intensity on T1 and T2 and heterogeneous postcontrast enhancement with associated underlying bone erosions notably the body of talus in keeping with diffuse pigmented villonodular synovitis.

Flexor hallucis longus tendon shows a tenosynovial well-defined lesion with lobulated outline exhibiting same signal characteristics as the ankle joint lesions in keeping with tenosynovial giant cell tumor

Case Discussion

Radiological features are in favor of pigmented villonodular synovitis of the ankle joint and giant cell tumor of the flexor hallucis longus tendon sheath.

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Case information

rID: 14286
Published: 12th Jul 2011
Last edited: 13th May 2019
Inclusion in quiz mode: Included

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