There are three types of spina bifida. Anencephaly occurs when the neural tube fails to close at the base of the skull while spina bifida occurs when the neural tube fails to close somewhere along the spine.
Spina bifida is present from birth and can take several forms.
Forms of spina bifida. Hear how myelomeningocele sounds external icon when people talk about spina bifida most often they are referring to myelomeningocele. Spina bifida can present itself in three different forms which have varying degrees of severity. Open spina bifida spina bifida cystica cyst like myelomeningocele.
Occulta is the mildest and most common form in which one or more vertebrae are malformed. Many people are unaware they suffer from it. The first is spina bifida occulta in which half of the vertebral arches do not develop resulting in a split vertebra normally occurring in one single vertebra the fifth lumbar vertebra l5 or in the first of the sacral vertebrae s1.
The three most common types of spina bifida are. Spina bifida occulta this is the mildest form of the condition. The word occulta is a latin term that literally means hidden or secret which is true to form.
Occulta closed neural tube defects meningocele and myelomeningocele. Anencephaly and spina bifida are the most common types of ontd while encephalocele in which there is a protrusion of the brain or its coverings through the skull is much rarer. Occulta is the mildest and most common form in which one or more vertebrae are malformed.
The name occulta which means hidden indicates that a layer of skin covers the malformation or opening in the vertebrae. It s actually possible for people to be born with spina bifida occulta and feel no symptoms. The name occulta which means hidden indicates that the malformation or opening in the spine is covered by a layer of the skin.
Myelomeningocele meningocele and spina bifida occulta. Spina bifida can be of two types. Spina bifida occulta is one of the mild forms of spina bifida.
Open spina bifida spina bifida cystica cyst like the visible signs are a sac or cyst rather like a large blister on the back. Myelomeningocele this is the most common and serious type of spina bifida. In this type of spina bifida the nerves typically remain unaffected so many people don t even know they have the condition unless it is caught on an x ray.
There are four types of spina bifida. In spina bifida occulta there develops a small separation or gap in one or more of the bones of spine s vertebrae.