Resolution of the large middle fossa arachnoid cyst without any identifiable cause: Case report. 2021

Asami Kikuchi, and Mikhail Chernov, and Shinji Hagiwara, and Hidenori Ohbuchi, and Yuichi Kubota, and Hidetoshi Kasuya
Department of Neurosurgery, Medical Center East, Tokyo Women's Medical University, Tokyo, Japan. Electronic address: asamin062228@gmail.com.

Although the possibility of spontaneous regression of intracranial arachnoid cysts (AC) during observational follow-up is widely recognized, the number of reports documenting such clinical course, often associated with the mild head trauma, is rather limited. We present a case of nearly complete resolution of the large middle fossa AC in a 5-year-old boy without any identifiable cause in 2.3 years after the initial diagnosis. It once again justifies observational strategy for AC not accompanying by mass effect and manifesting with minimal symptoms or diagnosed incidentally.

UI MeSH Term Description Entries
D008297 Male Males
D012075 Remission, Spontaneous A spontaneous diminution or abatement of a disease over time, without formal treatment. Spontaneous Healing,Spontaneous Regression,Spontaneous Remission,Healing, Spontaneous,Regression, Spontaneous,Spontaneous Healings,Spontaneous Regressions
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D016080 Arachnoid Cysts Intracranial or spinal cavities containing a cerebrospinal-like fluid, the wall of which is composed of arachnoidal cells. They are most often developmental or related to trauma. Intracranial arachnoid cysts usually occur adjacent to arachnoidal cistern and may present with HYDROCEPHALUS; HEADACHE; SEIZURES; and focal neurologic signs. (From Joynt, Clinical Neurology, 1994, Ch44, pp105-115) Arachnoid Diverticula,Leptomeningeal Cysts,Arachnoid Cysts, Intracranial,Intracranial Arachnoid Cysts,Arachnoid Cyst, Intracranial,Arachnoid Diverticulas,Cyst, Arachnoid,Cyst, Intracranial Arachnoid,Cyst, Leptomeningeal,Cysts, Arachnoid,Cysts, Intracranial Arachnoid,Cysts, Leptomeningeal,Diverticula, Arachnoid,Diverticulas, Arachnoid,Intracranial Arachnoid Cyst,Leptomeningeal Cyst

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