Fig. 3From: Sarcoidosis presenting as granulomatous myositis in a 16-year-old adolescent a Coronal contrast-enhanced T1 image with fat saturation shows an ill-defined, mass-like area in the lateral head of the left gastrocnemius muscle with central intermediate signal, central non-enhancement, and peripheral hyper-enhancement. Biopsy was taken from area of area. b Skeletal muscle involved by severe granulomatous inflammation with osteoclast-like giant cells. c Polarization showing crystalline material compatible with calcium oxalateBack to article page