Brainstem strokes

Question 1

ataxia, sensory loss on the left side, right-sided Horner’s syndrome, and horizontal nystagmus

diagnosis and artery affected, part of brain affected?

Answer 1

lateral medullary syndrome, also known as Wallenberg syndrome.

Posterior inferior cerebellar artery.
dorsolateral part of the medulla oblongata.

Question 2

headache, fever, ear pain, and tenderness over the mastoid process . No FND. Diagnosis and Reason for the symptoms?

Answer 2

Lateral sinus thrombosis

due to venous congestion and increased intracranial pressure

Question 3

visual field deficits (homonymous hemianopia), memory impairment, or cortical blindness. Artery affected ?

Answer 3

Posterior cerebral artery occlusion

Question 4

contralateral hemiparesis and/or sensory loss affecting mainly the face and upper extremity, aphasia if dominant hemisphere is affected or neglect if non-dominant hemisphere is affected.

affected artery?

Answer 4

Middle cerebral artery

Question 5

Horner’s syndrome

Answer 5

Ptosis: Drooping of the upper eyelid due to paralysis of Müller’s muscle.

Miosis: Constricted pupil resulting from unopposed parasympathetic activity.

Anhidrosis: Lack of sweating on the affected side of the face.