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Washington University Experience | MUSCLE | Hydroxychloroquine myopathy | 3A1 Hydroxychloroquine, muscle (Case 3) Plastic 3 copy
3A1,2 Skeletal muscle fibers with scattered clusters of dark organelles (arrowheads), seen at higher magnification in image #3A2s. Inclusions may be subsarcolemmal as well as perinuclear (one micron toluidine-blue stained plastic sections)