Guide To The Causes And Complications Of Chiari Malformation

Spina Bifida

Spina bifida is a neural tube defect that affects some point or portion of an individual's spinal cord when the neural tube fails to close as it should. The bones in the individual's back that are meant to protect their spinal cord do not develop when the neural tube does not close completely. When the protective bones do not develop around the spinal cord, the individual can experience damage to the nerve branches and spinal cord fibers. This abnormal and incomplete development of the spinal cord and its protective coverings can cause the brain stem and cerebellum to protrude into the foramen magnum abnormally. The types of Chiari malformations that are most often the result of spina bifida include type II Chiari malformation and type IV Chiari malformation. Both spina bifida and Chiari malformation occur as defects when the individual is developing as a fetus and are discovered upon birth.

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