A 62-year-old man with hypertension presents with sudden onset vertigo and vomiting. Vital signs: BP 168/94, HR 88, RR 16, Temp 37.2°C, SpO2 98%. Examination reveals right facial paralysis with decreased lacrimation, altered taste on anterior two-thirds of tongue, and right sensorineural hearing loss. He demonstrates loss of pain and temperature sensation on the left body and right face. Brain MRI shows acute infarction in the rostral medulla. Which artery is most likely occluded?
- A)Posterior cerebral artery
- B)Anterior spinal artery
- C)Posterior inferior cerebellar artery
- D)Anterior inferior cerebellar arteryGABARITO
- E)Lenticulostriate artery
Explicação
Anterior inferior cerebellar artery is the correct answer because AICA infarction causes lateral pontine syndrome with facial nucleus involvement, vestibular symptoms, crossed pain-temperature loss, and ipsilateral sensorineural hearing loss from labyrinthine ... Ver explicação completa e trilha adaptativa →