Jugular Tubercle Meningioma With Hemorrhagic Conversion Mimicking a Ruptured Thrombosed Giant Vertebrobasilar Aneurysm: A Case Report.

•The differential diagnosis of hemorrhagic lesions near the jugular tubercle includes meningiomas.•Hemorrhagic meningiomas can mimic giant ruptured, thrombosed aneurysms.•Hemorrhagic meningiomas have a number of distinct radiologic features.•Investigation into optimal timing of treatment for hemorrhagic meningiomas is needed.