POSTERIOR CEREBRAL ARTERY ANEURYSM
\pɒstˈi͡əɹɪə səɹˈiːbɹə͡l ˈɑːtəɹi ˈanjuːɹˌɪzəm], \pɒstˈiəɹɪə səɹˈiːbɹəl ˈɑːtəɹi ˈanjuːɹˌɪzəm], \p_ɒ_s_t_ˈiə_ɹ_ɪ__ə s_ə_ɹ_ˈiː_b_ɹ_əl ˈɑː_t_ə_ɹ_i_ ˈa_n_j_uː_ɹ_ˌɪ_z_ə_m]\
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Congenital or acquired abnormal outpouching of an intracranial blood vessel wall. Saccular (berry) aneurysms are the most common variant, and tend to form at arterial branch points near the base of the brain. Rupture results in SUBARACHNOID HEMORRHAGE or INTRACRANIAL HEMORRHAGES. Giant aneurysms (>2.5 cm in diameter) may compress adjacent structures, including the OCULOMOTOR NERVE (see also OCULOMOTOR NERVE DISEASES). (From Adams et al., Principles of Neurology, 6th ed, p841)
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Nearby Words
- posterior band of the colon
- posterior brachium
- posterior cardinal vein
- posterior cerebral arteries
- posterior cerebral artery
- Posterior Cerebral Artery Aneurysm
- posterior cerebral artery embolic infarction
- posterior cerebral artery infarction
- posterior cerebral artery stroke
- posterior cerebral artery syndrome
- posterior cerebral artery thrombotic infarction