Fig. 1

CD163, MHC class I, and MX1 muscular expression in patients with idiopathic inflammatory myopathies. (A, B) CD163 expression on the endomysial area of a muscle biopsy specimen from a patient with polymyositis (×200); (C) MHC class I expression on immune cells and capillary in a muscle biopsy specimen from a patient with dermatomyositis (×200); (D) MHC class I expression on immune cells, capillary, and myofibers in a muscle biopsy specimen from a patient with dermatomyositis (×200); (E) MX1 expression on immune cells and capillary in a muscle biopsy specimen from a patient with dermatomyositis (×200); (F) MX1 expression on immune cells, capillary, and myofibers in a muscle biopsy specimen from a patient with dermatomyositis (×200)