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[Neuronal intranuclear inclusion disease in a patient who exhibited abnormal behavior].
Rinsho Shinkeigaku. 2022 May 31; 62(5):369-374.RS

Abstract

A 63-year-old woman with no medical history of note developed acute-onset abnormal behavior persisting for one week. Mild disturbance of consciousness was noted on physical examination. Her blood and spinal fluid test results were normal. On brain MRI, diffusion-weighted image showed a high-intensity signal in U-fiber areas of the bilateral frontal lobes, and fluid-attenuated inversion recovery showed white matter lesions. We suspected neuronal intranuclear inclusion disease (NIID) based on brain MRI findings; therefore, we performed a skin biopsy and genetic test. Pathological findings of the skin biopsy revealed the presence of anti-p62-positive intranuclear inclusion bodies in fibroblasts and adipocytes. The genetic test showed GGC repeat expansion of NOTCH2NLC, but no mutation of FMR1. Thus, we diagnosed her with NIID. The acute-onset abnormal behavior was improved by levetiracetam. The present case indicates that patients with a high-intensity area in the corticomedullary junction should undergo a skin biopsy, even though they may present with non-specific symptoms such as acute-onset abnormal behavior.

Authors+Show Affiliations

Department of Neurology, North Medical Center Kyoto Prefectural University of Medicine. Department of Neurology and Stroke Treatment, Kyoto Daiichi Red Cross Hospital.Department of Neurology, North Medical Center Kyoto Prefectural University of Medicine. Department of Anatomy and Neurobiology, Kyoto Prefectural University of Medicine.Department of Neurology, Kyoto Prefectural University of Medicine.Department of Neurology, North Medical Center Kyoto Prefectural University of Medicine. Professor emeritus, Kyoto Kyoto Prefectural University of Medicine.

Pub Type(s)

Case Reports
Journal Article

Language

jpn

PubMed ID

35474285

Citation

Ueda, Ryota, et al. "[Neuronal Intranuclear Inclusion Disease in a Patient Who Exhibited Abnormal Behavior]." Rinsho Shinkeigaku = Clinical Neurology, vol. 62, no. 5, 2022, pp. 369-374.
Ueda R, Koizumi T, Mizuno T, et al. [Neuronal intranuclear inclusion disease in a patient who exhibited abnormal behavior]. Rinsho Shinkeigaku. 2022;62(5):369-374.
Ueda, R., Koizumi, T., Mizuno, T., & Nakagawa, M. (2022). [Neuronal intranuclear inclusion disease in a patient who exhibited abnormal behavior]. Rinsho Shinkeigaku = Clinical Neurology, 62(5), 369-374. https://doi.org/10.5692/clinicalneurol.cn-001689
Ueda R, et al. [Neuronal Intranuclear Inclusion Disease in a Patient Who Exhibited Abnormal Behavior]. Rinsho Shinkeigaku. 2022 May 31;62(5):369-374. PubMed PMID: 35474285.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - [Neuronal intranuclear inclusion disease in a patient who exhibited abnormal behavior]. AU - Ueda,Ryota, AU - Koizumi,Takashi, AU - Mizuno,Toshiki, AU - Nakagawa,Masanori, Y1 - 2022/04/26/ PY - 2022/4/28/pubmed PY - 2022/6/7/medline PY - 2022/4/27/entrez KW - NOTCH2NLC KW - acute-onset abnormal behavior KW - neuronal intranuclear inclusion disease KW - skin biopsy SP - 369 EP - 374 JF - Rinsho shinkeigaku = Clinical neurology JO - Rinsho Shinkeigaku VL - 62 IS - 5 N2 - A 63-year-old woman with no medical history of note developed acute-onset abnormal behavior persisting for one week. Mild disturbance of consciousness was noted on physical examination. Her blood and spinal fluid test results were normal. On brain MRI, diffusion-weighted image showed a high-intensity signal in U-fiber areas of the bilateral frontal lobes, and fluid-attenuated inversion recovery showed white matter lesions. We suspected neuronal intranuclear inclusion disease (NIID) based on brain MRI findings; therefore, we performed a skin biopsy and genetic test. Pathological findings of the skin biopsy revealed the presence of anti-p62-positive intranuclear inclusion bodies in fibroblasts and adipocytes. The genetic test showed GGC repeat expansion of NOTCH2NLC, but no mutation of FMR1. Thus, we diagnosed her with NIID. The acute-onset abnormal behavior was improved by levetiracetam. The present case indicates that patients with a high-intensity area in the corticomedullary junction should undergo a skin biopsy, even though they may present with non-specific symptoms such as acute-onset abnormal behavior. SN - 1882-0654 UR - https://www.unboundmedicine.com/medline/citation/35474285/[Neuronal_intranuclear_inclusion_disease_in_a_patient_who_exhibited_abnormal_behavior]_ DB - PRIME DP - Unbound Medicine ER -