Holtzman R N, Parisier S C
J Neurosurg. 1979 Aug;51(2):258-61. doi: 10.3171/jns.1979.51.2.0258.
A 35-year-old man experienced sudden spontaneous arterial bleeding from his left ear. Arteriography demonstrated a left petrous carotid aneurysm. The bleeding was initially controlled with packing and ultimately by left common carotid ligation and transection.