Malignant transformation of a schwannoma (neurilemoma) is an exceedingly rare event. We describe two cases with such change and review the reported purported examples. The tumors in our patients ...

From 1950 to 1989, 6338 cases could be grouped according to their CNS tumors based on our crude classification. Among these cases, 3530 were male, 2734 were female, and 935 were children and ...