Novel Intraoperative and Pathological Findings Related to Computed Tomography Angiography Spot Signs in Intracerebral Hemorrhage Patients: A Case Report.

This case suggests that more stringent identification criteria should be established in studies predicting ICH expansion using the spot sign on CTA to differentiate and exclude pseudoaneurysms, thereby improving the accuracy of predicting early hematoma expansion using the CTA spot sign.