Encyclopedia of Clinical Neuropsychology

2018 Edition
| Editors: Jeffrey S. Kreutzer, John DeLuca, Bruce Caplan


  • Samantha KnightEmail author
Reference work entry
DOI: https://doi.org/10.1007/978-3-319-57111-9_9036


Cerebrospinal fluid (CSF) fistulas; Meningocele spurious; Pseudocyst; Spinal pseudomeningocele

Definition and Overview

Pseudomeningoceles (PM) are a result of a fault in the dural arachnoid layer leading to the accumulation of CSF in the extradural space. The natural pulsations of the CSF further push the PM into the surrounding soft tissue, affecting the size, shape, and location of the lesion. These rare collections of CSF can be the result of iatrogenic, traumatic, or congenital defects, the former being the most common etiology. The vast majority of PM are asymptomatic; however, a wide range of symptoms including headaches, lower back pain, and radiculopathy can also occur. Neither short- nor long-term cognitive consequences have been reported as a result of this condition. PM have in the past been referred to by various names including “pseudocyst,” “meningocele spurious,” and in some cases “meningiocele” (Miller and Elder 1968; Pau 1974; Steinbok et al. 2007). The terms...

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© Springer International Publishing AG, part of Springer Nature 2018

Authors and Affiliations

  1. 1.MedicineRoyal College of Surgeons in IrelandDublinIreland