About The Medical Condition Dermal Sinus
Find the definition of the medical term Dermal Sinus. Dermal Sinus defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Dermal Sinus
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What's The Definition Of The Medical Condition Dermal Sinus?
A common congenital midline defect of fusion of the vertebral arch without protrusion of the spinal cord or meninges. The lesion is also covered by skin. L5 and S1 are the most common vertebrae involved. The condition may be associated with an overlying area of hyperpigmented skin, a dermal sinus, or an abnormal patch of hair. The majority of individuals with this malformation are asymptomatic although there is an increased incidence of tethered cord syndrome and lumbar SPONDYLOSIS. (From Joynt, Clinical Neurology, 1992, Ch55, p34)
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