Distal posterior inferior cerebellar artery (PICA) aneurysm located at the choroidal branch is uncommon. We report a ruptured distal PICA aneurysm in a 50-year-old man who presented with sudden onset of coma. The management and clinical significance are highlighted.
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The corresponding record at NLM can be accessed at https://www.ncbi.nlm.nih.gov/pubmed/17981039