A 52-year-old Indian woman with a history of smoking and hypertension presents to the emergency department with a sudden-onset "thunderclap" headache described as "the worst headache of my life" that reached maximum intensity within seconds. She has neck stiffness and photophobia. Non-contrast CT head shows the pattern marked **A** in the diagram—diffuse hyperdense blood in the basal cisterns consistent with a ruptured berry aneurysm. Which of the following is the MOST COMMON location of the aneurysm responsible for this presentation?
Ready to test yourself?
Test your Medicine knowledge with AI-powered MCQs and detailed explanations — no signup required to try.
Sign up free and practice all 1 Subarachnoid Hemorrhage MCQs with AI-powered explanations tailored to your performance.
Create Free Account