Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2022
Absence of diffusion-weighted imaging abnormalities in a patient with neuronal intranuclear inclusion disease.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Mizutani Keisuke, Sakurai Keita, Uchida Yuto, Oguri Takuya, Kato Hideki, Yoshida Mari, Sone Jun, Yuasa Hiroyuki, Matsukawa Noriyuki
Аннотация
INTRODUCTION: Herein, we report a genetically confirmed case of neuronal intranuclear inclusion disease without characteristic subcortical hyperintensities on diffusion-weighted imaging.
CASE PRESENTATION: A 75-year-old man was admitted to our hospital with subacute onset of conscious disturbance. Except for gastric cancer, he had no apparent past medical or family history. He presented with transient fever, vomiting, and urinary retention. On admission, no apparent abnormal intensity was detected on diffusion-weighted imaging. The symptoms improved within 10 days, without any medical treatment. Additional inspections were performed under suspicion of neuronal intranuclear inclusion disease. Intranuclear inclusions were found not only from skin biopsy but also from his stomach specimens, which had been resected 6 years previously. Subsequent genetic testing revealed repeat expansion of GGC amplification in NOTCH2NLC.
CONCLUSION: Characteristic neuroimaging and skin biopsy findings are important clues for diagnosing neuronal intranuclear inclusion diseases. Nonetheless, confirming a diagnosis is difficult due to the diversity of clinical manifestations and radiological features. Clinicians should suspect neuronal intranuclear inclusion disease in patients with transient encephalitic episodes, even if no abnormalities are detected on diffusion-weighted imaging.
CASE PRESENTATION: A 75-year-old man was admitted to our hospital with subacute onset of conscious disturbance. Except for gastric cancer, he had no apparent past medical or family history. He presented with transient fever, vomiting, and urinary retention. On admission, no apparent abnormal intensity was detected on diffusion-weighted imaging. The symptoms improved within 10 days, without any medical treatment. Additional inspections were performed under suspicion of neuronal intranuclear inclusion disease. Intranuclear inclusions were found not only from skin biopsy but also from his stomach specimens, which had been resected 6 years previously. Subsequent genetic testing revealed repeat expansion of GGC amplification in NOTCH2NLC.
CONCLUSION: Characteristic neuroimaging and skin biopsy findings are important clues for diagnosing neuronal intranuclear inclusion diseases. Nonetheless, confirming a diagnosis is difficult due to the diversity of clinical manifestations and radiological features. Clinicians should suspect neuronal intranuclear inclusion disease in patients with transient encephalitic episodes, even if no abnormalities are detected on diffusion-weighted imaging.