Lipomyelomeningoceles are one of the forms of closed spinal dysraphism. They usually present as a subcutaneous fatty mass just above the intergluteal cleft. However, some lipomyelomeningoceles may occur at other locations along the spinal canal.
Lipomyelomeningoceles may be clinically detectable as a subcutaneous fatty mass above the intergluteal crease.
These lesions are formed mainly due to a defect in primary neurulation in which mesenchymal tissue enters into neural placode and forms lipomatous tissue.
- typically seen as a spinal defect with lipomatous tissue, covered with skin
- neural placode-lipoma interface lies outside the spinal canal due to enlargement of subarachnoid space
- low-lying cord is usually present
- lipomyelocele: placode-lipoma interface lies within the spinal canal
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Congenital spinal abnormalities
- spinal dysraphism