Peripheral nerve fibers are sheathed by Schwann cells, which occasionally give rise to a Schwannoma (also termed neurilemoma), a circumscribed tumor that typically occurs along the peripheral aspect of a nerve.  Unlike neurofibromas, schwannomas often can be excised without sacrificing the parent nerve, leaving the patient functionally intact.  Depending on the degree of microscopic microcystic changes, schwannomas can have a soft... Continue Reading →