Orthostatic Enlargement of a Supracerebellar Arachnoid Cyst With Cerebellar Descent Visualized by Upright Computed Tomography.

Abstract:

BACKGROUND:Posterior fossa arachnoid cysts are often asymptomatic, but can rarely cause postural headache, the mechanism of which remains unknown. CASE DESCRIPTION:We present a 40-year-old woman with an asymptomatic supracerebellar arachnoid cyst. Upright computed tomography (CT) showed enlargement of the arachnoid cyst and caudal descent of the cerebellum compared with supine CT with narrowing of the craniocervical junction cerebrospinal fluid space. CONCLUSIONS:This finding aids in understanding the association of posterior fossa arachnoid cysts with orthostatic headache. Clinicians should be aware of possible posture-related changes in intracranial structures.

journal_name

World Neurosurg

journal_title

World neurosurgery

authors

Yoshida K,Toda M,Yamada Y,Yamada M,Yokoyama Y,Fujiwara H,Kosugi K,Sasaki H,Jinzaki M

doi

10.1016/j.wneu.2020.09.132

subject

Has Abstract

pub_date

2021-01-01 00:00:00

pages

256-259

eissn

1878-8750

issn

1878-8769

pii

S1878-8750(20)32141-0

journal_volume

145

pub_type

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