case_images: PMC4782538_01
case_images: Muscle biopsy showed perimysial and endomysial mononuclear cell infiltrates, myophagocytosis (arrow head), and basophilic regenerating fibers (arrow) (hematoxylin and eosin staining)
case_images: AIAN-19-150-g001.jpg
case_images: PMC4782538_01_AIAN-19-150-g001.jpg
case_images: F1
case_images: Histopathology showed perimysial and endomysial chronic inflammatory infiltrate and myophagocytosis [Figure 1].