could be related to improving diagnostic technology. There are several known risk factors predisposing to the development of CNS tumors in childhood. Therapeutic doses of radiation utilized in the treatment of leukemia or previous brain tumors are clearly implicated as a risk factor. Patients with several inherited genetic conditions have greatly increased risk of brain tumors, specifically neurofibromatosis, tuberous sclerosis and the Li-Fraumeni syndrome. Taken as a whole, these known risk factors account for a small percentage of pediatric brain tumors; for the great majority of brain tumors in childhood, there is no specific risk factor known to be related to their incidence.
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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.