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Fig. 2 | Pediatric Rheumatology

Fig. 2

From: Why so low? An unusual case of myositis in a child

Fig. 2

Gastrocnemius biopsy demonstrates granulomatous myositis with a histiocytic component with CD4+ T cell predominance. Left gastrocnemius biopsy revealed granulomatous myositis with perivascular inflammation (A, H&E, 100X) and extensive muscle fibrosis and fatty replacement (B, H&E, 40X). Special stains of the granulomas revealed a histiocytic component (C, CD68+ stain, 100X) with CD4+ T cell predominance (D, CD4+ stain, 100X).

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