Figure 3. Muscle biopsy of the anterior tibialis muscle shows an inflammatory myopathy with a lymphohistocytic inflammatory infiltrate in endomysium (A) and perimysium (B). There is variation in myofiber size and shape with a mild increase in internalized nuclei (C) with rare fiber necrosis with phagocytosis (D)

From

An Unusual Case of Juvenile Polymyositis Triggered by Bartonella henselae Infection

Maria Pereira, Catherine Mary Healy, Carrie A. Mohila, Monica Marcus

American Journal of Medical Case Reports. 2018, 6(4), 72-74 doi:10.12691/ajmcr-6-4-5