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Jarcho–Levin syndrome associated with spina bifida and diastematomyelia (type I split cord malformation) 4: Duru S et al. 1999: 2: First case of 2-year-old girl, spondylocostal dysostosis with lipomyelomeningocele, and polythelia on the right side. Second case of 6-month-old girl, spondylocostal dysostosis with myelomeningocele and hydrocephalus
Spina bifida (SB; /ˌspaɪnə ˈbɪfɪdə/, [9] Latin for 'split spine') [10] is a birth defect in which there is incomplete closing of the spine and the membranes around the spinal cord during early development in pregnancy. [1] There are three main types: spina bifida occulta, meningocele and myelomeningocele. [1]
NTDs are one of the most common birth defects, affecting over 300,000 births each year worldwide. [2] For example, spina bifida affects approximately 1,500 births annually in the United States, or about 3.5 in every 10,000 (0.035% of US births), [1] [3] which has decreased from around 5 per 10,000 (0.05% of US births) since folate fortification ...
The most common location is the midthoracic vertebrae, especially the eighth (T8). [6] Neurologic signs result from severe angulation of the spine, narrowing of the spinal canal, instability of the spine, and luxation or fracture of the vertebrae. Signs include rear limb weakness or paralysis, urinary or fecal incontinence, and spinal pain. [5]
Two of the genetic disorders that may affect spinal tumors, include Von Hippel-Lindau disease and Neurofibromatosis 2. Von Hippel-Lindau disease is a non-cancerous tumor of blood vessels that occur in the brain, spinal cord, or even tumors in the kidneys. The Neurofibromatosis 2 is a non-cancerous tumor that usually affects the nerves for hearing.
Spina bifida is a neural tube defect that involves defects in the development of the spine, and it can cause hydrocephalus. Myelomeningocele is the most severe type of spina bifida, involving an open spinal column and the exact mechanism of hydrocephalus involved in this condition is unclear. [29]
Paralysis below the spinal bifida defect [4] III Associated with an occipital encephalocele containing a variety of abnormal neuroectodermal tissues as well as possible herniation of elements of cerebellum, brainstem, and occipital lobe. Syringomyelia, tethered cord, and hydrocephalus may also be seen. [4] [45] Abundant neurological deficits [4 ...
In tethered spinal cord cases spina bifida can be accompanied by tethering of the spinal cord but in rare cases with Spina bifida occulta. Tethering of the spinal cord tends to occur in the cases of Spina bifida with mylomeningocele. In most people the spine grows faster than the spinal cord during development which causes the end of the spinal ...