Case report: acute subdural hematoma due to angiographically unvisualized ruptured aneurysm.
BACKGROUND
We report a case of acute subdural hematoma (SDH) due to angiographically unvisualized ruptured aneurysm.


METHODS
A 57-year-old man presented with sudden-onset headache and nausea. Computed tomography revealed right acute SDH and cerebral angiography revealed no abnormal vessels, but at operation, we found an aneurysm arising from the precentral artery causing an acute SDH.


CONCLUSIONS
In a case of spontaneous acute SDH, the possibility of a cortical artery aneurysm should be considered even if no aneurysm is recognized at angiography.
Hori
Emiko
E
Department of Neurosurgery, Toyama Medical and Pharmaceutical University, Toyama 930-0194, Japan. ehori-tym@umin.ac.jp
Ogiichi
Tsuneaki
T
Hayashi
Nakamasa
N
Kuwayama
Naoya
N
Endo
Shunro
S
D000208:Acute Disease; D017542:Aneurysm, Ruptured / Q000150:complications*; D002533:Cerebral Angiography; D005188:False Negative Reactions; D006408:Hematoma, Subdural / Q000209:etiology*; D006801:Humans; D002532:Intracranial Aneurysm / Q000150:complications*; D008297:Male; D008875:Middle Aged