Lateral thoracic meningoceles are a type of spinal meningocele.
As with any meningocele, it results from herniation of the meninges through a foramen or a defect in the vertebral column.
They are typically associated with neurofibromatosis type I but can rarely occur in isolation. In these patients, they may occur in association with thoracic spine scoliosis.
When scoliosis/kyphosis is present, the meningocele is located at the apex of the convexity.
Characterized as a well-circumscribed, low-attenuation paravertebral mass due to cerebrospinal fluid content. Occasionally it may exhibit peripheral rim enhancement 4.
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- 4. Fortman BJ, Kuszyk BS, Urban BA et-al. Neurofibromatosis type 1: a diagnostic mimicker at CT. Radiographics. 21 (3): 601-12. Radiographics (full text) - Pubmed citation