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Myelomeningocele

Myelomeningocele

Spina bifida is a variable defect in which the vertebral arch of the spinal column is either incompletely formed or absent. The term Bifida is from the Latin word Bifidus, or “left in 2 parts.” It is classified as a defect of the neural tube (i.e. the embryonic structure that develops into the spinal cord and brain). Neural tube defects have a range of presentations, from stillbirth to incidental radiographic findings of spina bifida occulta. The term myelodysplasia has been used as a synonym for Spina bifida. Lesions most commonly occur in the lumbar and sacral regions but can be found anywhere along the entire length of the spine.[1] It is a treatable spinal cord malformation that occurs in varying degrees of severity.

Types of Spina Bifida

Spina bifida occulta: It can occur without neurologic defects.
Meningocele: A cystic swelling of the dura and arachnoid, protrudes through the spina bifida defect in the vertebral arch.
Meningomyelocele: when cord tissue extends into the meningocele.
Myeloschisis: If the spinal cord is exposed on the surface of the back, the condition is called myeloschisis