Anterior sacral meningocele

Last revised by Dr Owen Kang on 13 Dec 2018

Anterior sacral meningocele is a congenital defect seen in the anterior aspect of the spine. It is defined as a meningeal cyst that occurs in the presacral space secondary to agenesis of a portion of the anterior sacrum.

In approximately 50% of cases, associated malformations are found, including 2:

It can occur as part of the Currarino triad 3.

Scimitar sacrum is a classically described finding on plain film.

General imaging differential considerations include:

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Cases and figures

  • Case 1: anterior sacral meningocele
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  • Case 1: scimitar sacrum
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