Thrombosis of which of the following cerebral vessels leads to the Hemiplegia?: (A) Anterior cerebral, (B) Middle cerebral, (C) Posterior cerebral, (D) Lateral cerebral
Answer is B. Occlusion of lenticulostriate branches of middle cerebral aery produces small-vessel (lacunar) stroke within the internal capsule producing contralateral hemiplegia. Other features of MCA stroke are: Paralysis of the contralateral face, arm, and leg Sensory impairment over the same area (pinprick, cotton touch, vibration, position, two-point discrimination, stereognosis, tactile localization, barognosis, cutaneographia)Motor aphasia Homonymous hemianopia Paralysis of conjugate gaze to opposite side. (Ref: Harrison&;s textbook of internal medicine,19E pg- 2573)