This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Breast, Subject name: Pathology
Perifascicular atropy of muscle fibres is seen in 
Select and explain. 
A. Steroid myopathy, B. Dermatomysotis, C. Inclusion body myositis, D. Nemaline myopathy
B: Dermatomysotis
Answer: B: Dermatomysotis 
Explanation: Inflammatory Myopathies Dermatomyositis is the most common Inflammatory myopathy in children. On microscopic examination it is associated with perivascular mononuclear cell infiltrates, dropouts of capillaries, the presence of so called tubuloreticular inclusions in endothelial cells, and myofiber damage in a paraseptal or perifascicular pattern. Robbins basic pathology 9th edition page no 805,heading=