malignant peripheral nerve sheath tumor (mpnst), the principle malignancy of peripheral nerve origin, though rare in the general population, occurs with excessive frequency among patients with neurofi bromatosis. this tumor always arises in soft-tissues, usually found in the lower extremities and only 10-12% of all lesions occur in the head and neck region, which makes it a rare entity. the pri...

Sevoflurane is one of the most commonly used volatile anesthetics in clinical practice and often pediatric anesthesia intraoperative maintenance. Microglia exist central nervous system are innate immune cells system. Under external stimulation, microglia divided into two phenotypes: proinflammatory (M1 type) anti-inflammatory (M2 type), maintaining stability through induction, housekeeping, def...

introduction: it is clear that the proliferation, migration and differentiation processes of embryonic fetal neural tissue are dependent on special trophic factors. these factors are absent or lessl seen in adult tissue. in this research the effects of fetal brain extract (fbe) on the regenerational processes of lesioned prepheral nerve were investigated. materials and methods: the facial nerve...