Eosinophilic granuloma - skull

Case contributed by Y. Amy Chen
Diagnosis probable

Presentation

Incidental skull lesion.

Patient Data

Age: 25 years
Gender: Female

Right parietal lytic lesion. 

There is a T1 hypointense T2 isointense lesion in the right posterior parietal calvarium. The lesion demonstrates restricted diffusion and homogeneous intense enhancement.

Nuclear medicine

The right parietal calvarial lesion demonstrates FDG-avidity.

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