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Washington University Experience | MUSCLE | Autophagic myopathy | 1B7 (Case 1) EM077 - Copy

The engulfed material consists of particulate cytoplasm as well as partially degraded organelles, some of which may represent mitochondria. (electron micrographs) ---- Not shown: Acid phosphatase stains central regions and rings within muscle fibers throughout the biopsy. It also stains muscle fibers undergoing degeneration. --- Comment: There is no single diagnostic underlying pathologic entity discovered in this patient.

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