Demographics:
2 years old, Female
Indication:
Imbalance, large nevus on back
Findings
- Multiple T1 hyperintense lesions predominantly centered within the cortex with largest foci in the medial left temporal lobe/amygdala and the left hemipons
- Cavum veli interpositi
- No abnormal intracranial enhancement
- No substantial intracranial mass effect or hydrocephalus
Annotated Images & Illustrations
Multiple T1 hyperintense lesions scattered along the surface of the brain and brainstem (red arrows) in this patient with neurocutaneous melanosis.
Diagnosis
Meningeal melanocytosis (neurocutaneous melanosis)
Key Imaging Features
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Differential Diagnosis
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Discussion
Pearls
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