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. 2021 Oct;163(10):2777-2781.
doi: 10.1007/s00701-021-04948-3. Epub 2021 Aug 21.

Midline sacral meningeal cyst decompression and repair

Ivan Cabrilo  1 , Nathalie Zaidman  2 , Adrian T Casey  2
Affiliations

Midline sacral meningeal cyst decompression and repair

Ivan Cabrilo et al. Acta Neurochir (Wien). 2021 Oct.

Abstract

Background: Symptomatic midline sacral meningeal cysts (MSMC) are rare, and, as a consequence, so are reports on the surgical techniques to address these lesions. Here we provide a description of the senior author's (ATC) technique.

Method: A sacral laminectomy is performed. The cyst's relation with the dural sac and sacral nerves is inspected; it is then opened and drained. Its lumen is explored for its point of communication with the dural sac, and this ostium is closed off with non-penetrating clips. A lumbar drain is inserted in select cases.

Conclusion: Cyst wall resection is unnecessary and closing the ostium is sufficient to treat MSMC.

Keywords: Sacrum; Meningeal cyst; Meningeal diverticulum; Meningocele; Surgical technique.

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