histologic similarities of meningiomas to various gliomas , schwannomas , neuroblastomas , fibrous histiocytomas , myxomas , chordomas , metastatic carcinomas , and in the cases of meningiomas with marked inflammatory infiltrates , to benign or malignant lymphoproliferative disorders involving the meninges may pose serious diagnostic problems .
C0025286
meningiomas
C0025285
meninges