PMC3891391_01
MR of left forearm showing increased signal of extensor carpi ulnaris, extensor digitorum longus, and extensor carpi radialis muscles. There is thickening and edematous changes in fascia around these muscles.
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F1
MRI demonstrated swelling and increased signal of muscles like extensor carpi ulnaris, extensor digitorum longus, and extensor carpi radialis, and there was thickening and edematous change of fascia around the muscles (Figure 1).
Muscle biopsy showing thickened fibrous fascia with perivascular infiltration of lymphocytes, plasma cells and few eosinophils (H&E, x400).
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F2
Full-thickness wedge biopsy on extensor carpi radialis revealed the presence of thickened fibrous fascia with perivascular infiltration of lymphocytes, plasma cells and few eosinophils, and these findings were compatible with eosinophilic fasciitis (Figure 2).