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Fig. 2 | Journal of Medical Case Reports

Fig. 2

From: Overlapping rheumatoid arthritis and antisynthetase syndrome with secondary Sjögren’s syndrome: a case report and review of the literature

Fig. 2

Muscle biopsy. Hematoxylin and eosin stain (×20) showing occasional atrophic muscle fibers seen between normal muscle fibers (atrophic fibers indicated by black arrows) (A). Muscle biopsy immunoperoxidase stain (×10) showing depleted major histocompatibility complex (MHC) class 1 expressing capillaries in muscle tissues (short black arrow) and normal muscle tissues with MHC class 1 expression (red arrow) (B). Muscle biopsy immunoperoxidase stain (×10) showing deposition of C5b9 complement complexes in capillaries in the muscle tissues (green arrows) ( C)

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Journal of Medical Case Reports

ISSN: 1752-1947