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Korean J Leg Med > Volume 43(1); 2019 > Article
Korean Journal of Legal Medicine 2019;43(1):23-27.
DOI: https://doi.org/10.7580/kjlm.2019.43.1.23    Published online February 28, 2019.
Traumatic Rupture of the Middle Cerebral Artery Followed by Acute Basal Subarachnoid Hemorrhage: Tailored Approach in Forensic Pathology by Aid of Post-mortem Angiographic Findings.
Sohyung Park, Sookyoung Lee, Kyung moo Yang, Dukhoon Kim, Heon Lee, Jang Gyu Cha
1Medical Examiner's Office, National Forensic Service, Wonju, Korea. zzeva@korea.kr
2Forensic Examination Division, Seoul Institute, National Forensic Service, Seoul, Korea.
3Department of Radiology, Soonchunhyang University Hospital, Bucheon, Korea.
Abstract
We present the case of a 23-year-old man who suddenly collapsed during a physical altercation with his friends while in a drunken state. The post-mortem computed tomography (CT) with angiography revealed acute basal subarachnoid hemorrhage with rupture of the left middle cerebral artery. On autopsy, the head, face, mandible and neck showed multifocal hemorrhages with fracture of the hyoid bone, and the pathologic findings of the brain was consistent with CT findings. However, the vascular rupture site was not observed macroscopically. On histologic examination, a microscopic focal rupture was identified at the proximal portion of the middle cerebral artery, and possibility of arteriopathy was considered. This case illustrates that other parts of intracerebral arteries (other than the vertebral arteries) can be the culprit of rupture in the case of traumatic basal subarachnoid hemorrhage, and the post-mortem angiographic findings can be helpful in targeting the site of vascular injury. Furthermore, meticulous sampling of intracranial vessels could help find the vascular rupture site and identify any histologic findings suspicious of arteriopathy. Therefore, we suggest that post-mortem angiography can be an effective and adjunctive tool for a tailored approach in finding the vascular injury, and that histologic examination of both the intracranial and extracranial arteries be important to medicolegally ensure the death of traumatic basal subarachnoid hemorrhage and to examine presence of arteriopathy as a predisposing factor.
Key Words: Forensic pathology, Autopsy, Postmortem, Traumatic subarachnoid hemorrhage, Computed tomography angiography
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