Скачать или смотреть Case Study 195: Brain Aneurysm - PCOM

Case Study 195: Brain Aneurysm - PCOM

A posterior communicating artery (PCOM) aneurysm is one of the most common causes of a cranial nerve III palsy - that’s the nerve that moves most of the eye muscles, controls the eyelid, and constricts the pupil.

When compressed by an aneurysm, patients can present with:
👁 Droopy eyelid (ptosis)
👁 Eye deviation “down and out”
👁 Dilated pupil - this is a key red flag!

💡 Did you know?
🔹 About 2-5% of the population have a brain aneurysm, but most never rupture.
🔹 PCOM aneurysms account for 15-25% of intracranial aneurysms.
🔹 A painful CN III palsy with pupil involvement is considered an aneurysm until proven otherwise - this is a neurosurgical emergency!

Treatment options include microsurgical clipping or endovascular coiling to secure the aneurysm and prevent rupture.

🔬 Early recognition and prompt imaging (CTA or MRA) can be life-saving - always take new double vision, droopy eyelid, or sudden pupil changes seriously!

September is Aneurysm Awareness Month - a time to spread knowledge, support research, and encourage early detection. Share this to raise awareness and possibly save a life.

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