Intradural spinal cord tumors have a prevalence of 3-10 per 100,000 per year. They predominantly occur in the middle third of life. The most common tumors are nerve sheath tumors, which account for about 30%, and meningiomas, which account for another 25%. The remainder includes sarcomas, epidermoids and dermoids. Intramedullary tumors are rare - approximately 20-35% of all intradural neoplasms, with a higher percentage (55% of all intradural neoplasms) in children . The most common intramedullary tumors are astrocytomas and ependymomas. Heman-gioblastomas, cavernomas, epidermoids and lipomas are rare.
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The term vaginitis is one that is applied to any inflammation or infection of the vagina, and there are many different conditions that are categorized together under this ‘broad’ heading, including bacterial vaginosis, trichomoniasis and non-infectious vaginitis.