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Neuroanatomy Basics and Clinical Cases

Background Anatomy, Terminologies, and Diagnostic Clinical Case Discussions

Non-ketotic Hyperglycemic Hemichorea (NHH)

Non-ketotic hyperglycemic hemichorea (NHH) also known as diabetic striatopathy or chorea, hyperglycemia, basal ganglia (C-H-BG) syndrome, is a rare cause of unilateral basal ganglia hyperdensity. The patients glucose was 20 when checked.

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Loeys-Dietz syndrome (LDS)

Loeys-Dietz syndrome is an autosomal dominant connective tissue disorder that has many similar features to Marfan syndrome causing toruosity of vessels of the neck, in this case both vertebral arteries and the internal carotid arteries.

The classical triad includes:
1: Arterial tortuosity and aneurysms
2. Hypertelorism
3. Bifid uvula or cleft palate

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Chiari I Malformation

Click the title to see the imaging findings.

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Subependymal Nodular Heterotopia Causing Seizures



T1 weighted images demonstrate multiple foci of similar signal intensity to grey matter. Findings are in keeping with Subependymal Nodular Heterotopia in this patients causing seizures. 

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