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A woman with language disturbance

Q1: What does the patient’s computed tomogram show?
Her admission computed tomogram (see page 341) shows infarct in the right posterior parietal hemisphere suggestive of an infarct in the right middle cerebral artery (RMCA) territory.

Q2: What is her language dysfunction?
Her verbal output was decreased. Her comprehension was impaired and she was unable to name objects presented to her. She tended to repeat what was told to her. Because the repetition was intact and comprehension was completely impaired, the patient had transcortical aphasia of the mixed type.

Q3: How can her language dysfunction be explained on the basis of the computed tomogram?
Her left hemiparesis is because of the infarct in the (RMCA) territory. Language dysfunction can be explained on the basis of either "crossed aphasia" or it is possible that the patient has a second lesion in the left middle cerebral artery (LMCA) territory. She underwent single photon emission computed tomography (SPECT) (fig 1). It showed multiple perfusion defects in the right parietal, occipital, and temporal areas with the left hemisphere sparing. The patient had . . . [Full text of this article]

Relevant Article

A woman with language disturbance

B Menon and B Vengamma
Postgrad. Med. J. 2005 81: 341. [Extract] [Full Text] [PDF]