Bilateral cerebellopontine arachnoid cyst

Bilateral cerebellopontine arachnoid cysts are very rare, and only three cases have been previously reported. A 14-year-old previously healthy girl presented to our outpatient clinic with a 6-weeks history of frontal headache. They typically would start in the occipital region and then radiate bifro...

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Bibliographic Details
Published inRevista de neurologiá Vol. 62; no. 12; pp. 555 - 558
Main Authors Gelabert-Gonzalez, M, Aran-Echabe, E, Pita-Buezas, L
Format Journal Article
LanguageSpanish
Published Spain 16.06.2016
Subjects
Adolescent
Arachnoid Cysts - complications
Arachnoid Cysts - diagnosis
Cerebellopontine Angle - pathology
Female
Headache - etiology
Humans
Magnetic Resonance Imaging
Neurologic Examination
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Summary:Bilateral cerebellopontine arachnoid cysts are very rare, and only three cases have been previously reported. A 14-year-old previously healthy girl presented to our outpatient clinic with a 6-weeks history of frontal headache. They typically would start in the occipital region and then radiate bifrontally. The neurological examination was unremarkable. Magnetic resonance imaging revealed an extra-axial bilateral lesion in bilateral cerebellopontine angle, larger on left side. The lesions were homogeneously hypointenese on T1-weighted imaging and hyperintense on T2-weighted imaging without evidence of contrast enhancement and without evidence of restriction on diffusion-weighted imaging. No surgical treatment was indicated. Bilateral arachnoid cysts of the cerebellopontine angle are very infrequent and the main indication for surgery is the existence of clinical symptoms or neurological deficit coincident with the locations of the cysts.
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ISSN:1576-6578
DOI:10.33588/rn.6212.2016012