Case 370 -- A male in his 70s with a brain mass

Contributed by Muammar Arida, MD
Published on line in November 2003


CLINICAL HISTORY:

A male in his 70s with history of Parkinson's disease presented with complaints of double vision and falls on the left side.

An MRI scan revealed an approximately 2 cm extra-axial right frontal convexity mass with apparent uniform enhancement. MRI scan also showed diffuse volume loss involving the brain, particularly at the frontal parietal convexity (Fig. 1).

A craniotomy was performed and an intra-operative consult was requested.

INTRA-OPERATIVE CONSULT:

Touch preparations were performed (Figs. 2, 3 and 4)

An intra-operative diagnosis was rendered and the surgeon completed the excision of the mass.

GROSS EXAMINATION:

The excised specimen consisted of rubbery lobulated hemorrhagic tan tissue, 2.4 cm in maximum dimension.

MICROSCOPIC EXAMINATION:

SPECIAL AND IMMUO-STAINS:

FINAL DIAGNOSIS


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