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  Indian J Med Microbiol
 

Figure 1: (a) Noncontrast computed tomography head showed no established acute infarct or hemorrhage. (b-g) Computed tomography perfusion images showed mismatch deficit (penumbra, white arrow head) in the left middle cerebral artery territory involving left anterior temporal lobe and internal capsule. Penumbra is defined as brain tissue with reduced cerebral blood flow, increased mean transit time and preserved cerebral blood volume

Figure 1: (a) Noncontrast computed tomography head showed no established acute infarct or hemorrhage. (b-g) Computed tomography perfusion images showed mismatch deficit (penumbra, white arrow head) in the left middle cerebral artery territory involving left anterior temporal lobe and internal capsule. Penumbra is defined as brain tissue with reduced cerebral blood flow, increased mean transit time and preserved cerebral blood volume