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Updated: Aug 9, 2025

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Intranuclear Microinjection of DNA into Dissociated Adult Mammalian Neurons
Published on: December 10, 2009
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Neuronal intranuclear inclusion disease
Jia Rui Kwan1, Wai Lun Moy2, Kaavya Narasimhalu3
1General Medicine, Sengkang General Hospital, Singapore.
Practical Neurology
|February 22, 2023
Summary
Neuronal intranuclear inclusion disease (NIID) is a rare genetic disorder. Characteristic radiological findings now enable in-life diagnosis, previously only possible postmortem.
Area of Science:
- Neurology
- Genetics
- Radiology
Background:
- Neuronal intranuclear inclusion disease (NIID) is a rare, progressive, neurodegenerative disorder.
- Historically, definitive diagnosis of NIID was limited to postmortem examination.
- The genetic basis and pathological hallmarks of NIID are increasingly understood.
Observation:
- This case report highlights the diagnostic utility of neuroimaging in NIID.
- Characteristic radiological features, such as white matter abnormalities and cerebellar atrophy, are key diagnostic indicators.
- The variable clinical presentation of NIID can pose diagnostic challenges.
Findings:
- Advanced neuroimaging techniques allow for the in-life diagnosis of NIID.
- Radiological findings correlate with the underlying neuropathology of intranuclear inclusions.
- Early diagnosis through imaging facilitates timely management and genetic counseling.
Implications:
- Increased awareness of NIID's radiological features can lead to earlier diagnosis and intervention.
- This case underscores the importance of integrating clinical, radiological, and genetic data for diagnosing rare neurological disorders.
- Further research into NIID pathogenesis and treatment is warranted.
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