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Meningioma - parafalcine and calcified

Case contributed by Dr Frank Gaillard


Incidental finding when the patient's brain was scanned for hyperglycaemia induced altered concious state.

Patient Data:

Age: 55 years
Gender: Female

CT scan

Modality: CT

Scan performed in the emergency department demonstrates a large ossified / calcified extra-axial mass. 

Modality: MRI


Case Discussion:

This case highlights how large masses can grow if located in so-called silent areas of the brain (typically temporal and frontal lobes). Also note how difficult it is to predict the degree of enhancement of a mass based on the degree of calcification (which in this case is due to psammoma bodies). 


MICROSCOPIC DESCRIPTION: 1-3. Paraffin sections show a moderately hypercellular meningioma
containing numerous calcified and hyalinised psammoma bodies. Tumour cells have regular nuclear features. No mitotic figures or areas of necrosis are identified and there is no evidence of brain invasion.

DIAGNOSIS: Meningioma.

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