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Tuberous sclerosis

Case contributed by Maxime St-Amant
Diagnosis certain

Presentation

Seizures.

Patient Data

Age: 18 years
Gender: Male
ct

Non contrast CT demonstrates multiple calcified subependymal nodules, particularly along the margins of the lateral ventricles. Numerous low density regions are also seen through the subcortical white matter. 

Annotated image

Subcortical tubers (blue) and subependymal nodules (red) are easily discernible. Cortical tubers cannot be identified on non-contrast CT scans. 

Case Discussion

This patient has characteristic and near pathognomonic features of tuberous sclerosis. An easy diagnosis if one is aware of the entity. 

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