A 71-year-old man with hypertension presents with sudden-onset vertigo and falls to the left. Vital signs show BP 168/94 mmHg, HR 78/min, RR 16/min, SpO2 98%. Examination reveals leftward nystagmus, ipsilateral cerebellar ataxia, and ipsilateral facial pain and temperature loss with preserved touch and proprioception. Brain MRI shows acute infarction in the left medulla. Cranial nerve examination is intact. Which brainstem syndrome does he most likely have?
- A)Central pontine myelinolysis
- B)Medial medullary syndrome (Medial medullary stroke)
- C)Lateral pontine syndrome
- D)Lateral medullary syndrome (Wallenberg)GABARITO
- E)Medial midbrain syndrome (Weber syndrome)
Explicação
Lateral medullary syndrome (Wallenberg) presents with ipsilateral vertigo and ataxia (inferior cerebellar peduncle and vestibular nuclei), ipsilateral pain/temperature loss over face (spinal trigeminal nucleus), but preserved touch and proprioception (dorsal c... Ver explicação completa e trilha adaptativa →