most of the meningiomas of meningotheliomatous , transitional , fibroblastic , papillary , angiomatous , and anaplastic types showed a positive immunoreactivity for ema , while all of the meningeal hemangiopericytomas and extracranial hemangiopericytomas examined were negative for ema .
C0016030
fibroblastic
C0349622
meningeal