Abstract
Arachnoid cysts are congenital benign cysts accounting for approximately 1% of all intracranial mass lesions. Uncal herniation due to arachnoid cyst is a rare mode of presentation. It is hypothesized that only tension arachnoid cyst could cause the life-threatening condition that results from a progressive deterioration and worsening of a simple and usually congenital arachnoid cyst, associated with the formation of a “ball valve” at the point of an opening on the cyst wall. To-date only one case of an arachnoid cyst causing Uncal herniation has been reported to the best of our knowledge. We present a rare case of uncal herniation in a 60-year-old lady caused by a giant left temporal arachnoid cyst. She presented to us in emergency room after experiencing headaches since last one week followed by vomiting, seizures, and altered state of consciousness. She was operated immediately and marsupialization of the arachnoid cyst was performed. She showed good recovery. Although arachnoid cyst is a benign slowly growing pathology, it can lead to Uncal herniation as a ”tension“ arachnoid cyst, possible due to ”ball-valve“ mechanism. Elective treatment should be considered to prevent progressive significant enlargement of cyst.
Keywords: Arachnoid Cysts, Cerebrospinal fluid, "ball-valve" mechanism, Craniotomy, Congenital Benign Cysts, Uncal Herniation, marsupialization, Computerized tomography, Magnetic Resonance Imaging, Gadolinium Study, Supra-Orbital Region, Hemiparesis, Hemorrhage
CNS & Neurological Disorders - Drug Targets
Title:Tension Arachnoid Cyst Causing Uncal Herniation in a 60 Year Old: A Rare Presentation
Volume: 11 Issue: 2
Author(s): Muhammad Zubair Tahir, S. A. Quadri, Mudassir Farooqui, Muhammad Ehsan Bari, Xiao Di
Affiliation:
Keywords: Arachnoid Cysts, Cerebrospinal fluid, "ball-valve" mechanism, Craniotomy, Congenital Benign Cysts, Uncal Herniation, marsupialization, Computerized tomography, Magnetic Resonance Imaging, Gadolinium Study, Supra-Orbital Region, Hemiparesis, Hemorrhage
Abstract: Arachnoid cysts are congenital benign cysts accounting for approximately 1% of all intracranial mass lesions. Uncal herniation due to arachnoid cyst is a rare mode of presentation. It is hypothesized that only tension arachnoid cyst could cause the life-threatening condition that results from a progressive deterioration and worsening of a simple and usually congenital arachnoid cyst, associated with the formation of a “ball valve” at the point of an opening on the cyst wall. To-date only one case of an arachnoid cyst causing Uncal herniation has been reported to the best of our knowledge. We present a rare case of uncal herniation in a 60-year-old lady caused by a giant left temporal arachnoid cyst. She presented to us in emergency room after experiencing headaches since last one week followed by vomiting, seizures, and altered state of consciousness. She was operated immediately and marsupialization of the arachnoid cyst was performed. She showed good recovery. Although arachnoid cyst is a benign slowly growing pathology, it can lead to Uncal herniation as a ”tension“ arachnoid cyst, possible due to ”ball-valve“ mechanism. Elective treatment should be considered to prevent progressive significant enlargement of cyst.
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Cite this article as:
Muhammad Zubair Tahir, S. A. Quadri, Mudassir Farooqui, Muhammad Ehsan Bari, Xiao Di , Tension Arachnoid Cyst Causing Uncal Herniation in a 60 Year Old: A Rare Presentation, CNS & Neurological Disorders - Drug Targets 2012; 11 (2) . https://dx.doi.org/10.2174/187152712800269722
DOI https://dx.doi.org/10.2174/187152712800269722 |
Print ISSN 1871-5273 |
Publisher Name Bentham Science Publisher |
Online ISSN 1996-3181 |
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