A 75-year-old male on a cruise ship develops acute-onset vertigo, dysarthria, dysphagia, and left-sided Horner syndrome (ptosis, miosis, anhidrosis). ...

Question

A 75-year-old male on a cruise ship develops acute-onset vertigo, dysarthria, dysphagia, and left-sided Horner syndrome (ptosis, miosis, anhidrosis). He also has loss of pain and temperature sensation on the left face and right body. What is the most likely vascular territory affected?

Accepted Answer

Posterior inferior cerebellar artery (lateral medullary/Wallenberg syndrome)

Answer

Anterior cerebral artery

Answer

Middle cerebral artery

Answer

Anterior inferior cerebellar artery

Answer

Basilar artery

uk-dipimc MCQ (SBA): Wallenberg Syndrome

A 75-year-old male on a cruise ship develops acute-onset vertigo, dysarthria, dysphagia, and left-sided Horner syndrome (ptosis, miosis, anhidrosis). He also has loss of pain and temperature sensation on the left face and right body. What is the most likely vascular territory affected?