Case report demonstrates intranuclear inclusions in a patient with oculopharyngodistal myopathy, suggesting new insights into genetic mutations.
mutation (OPDM2) in a 56-year-old man. Histopathological studies revealed loss of myelinated fibers in the cerebrum and the presence of neuronal and glial intranuclear inclusions, which are commonly observed in FXTAS and NIID. Numerous intranuclear inclusions in oligodendrocytes were a characteristic feature of our autopsied case. Although GGC repeat expansions in distinct genes produce similar neuropathological findings, such as neuronal and glial intranuclear inclusions, the affected cell populations differ.
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Yagita et al. (2026) studied this question.
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