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Temporal fossa arachnoid cyst presenting with bilateral subdural hematoma following trauma: Two case reports

Publication Type : Journal Article

Thematic Areas : Medical Sciences

Publisher : Journal of Medical Case Reports

Source : Journal of Medical Case Reports, Volume 3 (2009)

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Keywords : adult, arachnoid cyst, article, brain aqueduct, case report, cisterna magna, clinical feature, computer assisted tomography, craniotomy, disease severity, falling, fenestration, follow up, head injury, headache, human, hygroma, incidental finding, male, nausea, priority journal, subdural hematoma, temporal bone tumor, treatment response, vomiting

Campus : Kochi

School : School of Medicine

Department : Neurosurgery

Year : 2009

Abstract : Introduction: Intracranial arachnoid cysts are considered to be congenital malformations with a predilection for the temporal fossa. They are often asymptomatic but can sometimes be symptomatic due to enlargement or hemorrhage. There are multiple case reports of arachnoid cysts becoming symptomatic with hemorrhagic complications following head trauma. In such cases, the bleeding is often confined to the side ipsilateral to the arachnoid cyst. Occurrence of contralateral subdural hematomas in patients with temporal fossa arachnoid cysts has rarely been observed and is reported less frequently in the medical literature. Case presentation: We report two cases of people (a 23-year-old man anda 41-year-old man) with temporal fossa arachnoid cysts complicated by a subdural hematoma following head injury. Both patients developed a subdural hematoma contralateral to the side of a temporal fossa arachnoid cyst. It is likely that lack of adequate intracranial cushioning in the presence of an intracranial arachnoid cyst may result in injury not only to ipsilateral but also to contralateral bridging veins, following head trauma. Conclusion: It is important to identify and report such rare complications with intracranial arachnoid cysts, so that asymptomatic patients with an intracranial arachnoid cyst can be counseled about such possibilities following head trauma. © 2009 Pillai et al; licensee BioMed Central Ltd.

Cite this Research Publication : Pa Pillai, Menon, S. Kb, Manjooran, R. Pb, Kariyattil, Rb, Pillai, A. Bb, and Panikar, Db, “Temporal fossa arachnoid cyst presenting with bilateral subdural hematoma following trauma: Two case reports”, Journal of Medical Case Reports, vol. 3, 2009.

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