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Surg J (N Y) 2015; 01(01): e47-e49
DOI: 10.1055/s-0035-1567877
Case Report
Thieme Medical Publishers 333 Seventh Avenue, New York, NY 10001, USA.

Pseudoaneurysm Formation in Intracerebral Hematoma due to Ruptured Middle Cerebral Artery Aneurysm

Motohiro Nomura
1   Department of Neurosurgery, Yokohama Sakae Kyosai Hospital, Sakae-ku, Yokohama, Japan
,
Akira Tamase
1   Department of Neurosurgery, Yokohama Sakae Kyosai Hospital, Sakae-ku, Yokohama, Japan
,
Tomoya Kamide
1   Department of Neurosurgery, Yokohama Sakae Kyosai Hospital, Sakae-ku, Yokohama, Japan
,
Kentaro Mori
1   Department of Neurosurgery, Yokohama Sakae Kyosai Hospital, Sakae-ku, Yokohama, Japan
,
Syunsuke Seki
1   Department of Neurosurgery, Yokohama Sakae Kyosai Hospital, Sakae-ku, Yokohama, Japan
,
Kunio Yanagimoto
2   Department of Pathology, Yokohama Sakae Kyosai Hospital, Sakae-ku, Yokohama, Japan
› Author Affiliations
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Publication History

23 June 2015

14 September 2015

Publication Date:
19 November 2015 (online)

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Abstract

We report the case of a ruptured middle cerebral artery aneurysm that showed pseudoaneurysm formation in an intracerebral hematoma. A 61-year-old man who was taking warfarin complained of dysarthria. Three days later, he was found unconscious, and computed tomography on admission showed subarachnoid hemorrhage and an intracerebral hematoma in the left temporal lobe. Three-dimensional computed tomographic angiography showed an irregular-shaped aneurysm-like cavity extending from the left middle cerebral artery into the hematoma. Intraoperative observation revealed that the aneurysm itself was small and the lesion observed on computed tomography was a pseudoaneurysm that had formed in the hematoma. Pathologic examination of the aneurysm demonstrated that there was a thrombus at its tip. In this report, radiologic characteristics of three-dimensional computed tomographic angiography and etiology of a pseudoaneurysm in an intracerebral hematoma due to aneurysm rupture are discussed.

Keywords

pseudoaneurysm - cerebral aneurysm - subarachnoid hemorrhage - intracerebral hematoma
 

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