A congenital nevus is a proliferation of benign melanocytes that is either present at birth or develops shortly afterwards. Congenital nevi are usually classified by size: small (less than 1.5 cm in diameter), medium (larger than 1.5 cm and up to 20 cm) or giant (measuring 20 cm in diameter or larger).
Scoliosis is a common condition related to syringomyelia in children; in fact, some studies have shown that more than 50% of children with a syrinx have abnormal spinal curvature.coliosis can be caused by congenital conditions, neurological conditions (like SM), or can be of unknown origins. 80% of scoliosis cases have an unknown cause and are labeled idiopathic. Treatment options include observation, bracing, and surgery.
List of causes of Syringomyelia. Following is a list of causes or underlying conditions (see also Misdiagnosis of underlying causes of Syringomyelia) that could possibly cause Syringomyelia includes: 1  Chiari I malformation. 2  Trauma. 3  Meningitis. 4  Hemorrhage. 5  Tumor. 6  Arachnoiditis.