Nontraumatic convexal subarachnoid hemorrhage: A case report

BACKGROUND Nontraumatic convexal subarachnoid hemorrhage(c SAH) is a rare type of atypical subarachnoid hemorrhage. It mainly presents as a focal and transient neurological deficit with similar manifestations as transient ischemic attack.CASE SUMMARY We report a case of a 64-year-old man who visited the hospital with paroxysmal left-sided numbness and weakness is presented in this study. Computed tomography examination indicated a high-density image of the right frontalparietal sulcus. Digital subtraction angiography showed severe stenosis at the right anterior cerebral artery A2-A3 junction(stenosis rate approximately 70%).CONCLUSION The findings of this case indicate that anterior cerebral artery stenosis may lead to the occurrence of c SAH.