期刊
FRONTIERS IN NEUROLOGY
卷 14, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fneur.2023.1184612
关键词
neuronal intranuclear inclusion disease; magnetic resonance imaging; arterial spin labeling; chromatolysis; case report
Neuronal intranuclear inclusion disease (NIID), a neurodegenerative disease with heterogeneous clinical presentations, affects multiple organ systems. Despite diagnostic challenges, understanding the clinical and imaging features can improve accurate and early diagnosis. Three cases of pathologically proven adult-onset NIID are presented, highlighting challenges in diagnosis when MRI does not show typical abnormalities, and the utility of skin biopsy for antemortem diagnosis.
Neuronal intranuclear inclusion disease (NIID), a neurodegenerative disease previously thought to be rare, is increasingly recognized despite heterogeneous clinical presentations. NIID is pathologically characterized by ubiquitin and p-62 positive intranuclear eosinophilic inclusions that affect multiple organ systems, including the brain, skin, and other tissues. Although the diagnosis of NIID is challenging due to phenotypic heterogeneity, a greater understanding of the clinical and imaging presentations can improve accurate and early diagnosis. Here, we present three cases of pathologically proven adult-onset NIID, all presenting with episodes of acute encephalopathy with protracted workups and lengthy time between symptom onset and diagnosis. Case 1 highlights challenges in the diagnosis of NIID when MRI does not reveal classic abnormalities and provides a striking example of hyperperfusion in the setting of acute encephalopathy, as well as unique pathology with neuronal central chromatolysis, which has not been previously described. Case 2 highlights the progression of MRI findings associated with multiple NIID-related encephalopathic episodes over an extended time period, as well as the utility of skin biopsy for antemortem diagnosis.
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