MSH: Congenital, or rarely acquired, herniation of meningeal and spinal cord tissue through a bony defect in the vertebral column. The majority of these defects occur in the lumbosacral region. Clinical features include PARAPLEGIA, loss of sensation in the lower body, and incontinence. This condition may be associated with the ARNOLD-CHIARI MALFORMATION and HYDROCEPHALUS. (From Joynt, Clinical Neurology, 1992, Ch55, pp35-6),CSP: hernial protrusion of the spinal cord and its meninges through a defect in the vertebral canal.,NCI: Herniation of spinal cord tissue and meninges through a defect in a region of the vertebral column.

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