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Russell Bodies on Gomori Trichrome Stain
Neuro Notes

Polymyositis With Plasma Cells

This 50-year-old patients muscle biopsy showed morphologic changes of polymyositis. Their past medical history is significant for rheumatoid arthritis. What…

Perifascicular Atrophy, neuro notes, Arkana Laboratories, muscle biopsy
Neuro Notes

Perifascicular Atrophy in Dermatomyositis

Perifascicular Atrophy in Dermatomyositis This case shows an acquired inflammatory myopathy with well-developed perifascicular atrophy. Generally speaking, acquired inflammatory myopathies…

By Kelly Mrachek, MD