. . _:b692504 . "Meningioma"^^ . "9530/0"^^ . "A neoplasm of the meninges, for which the status of malignancy has not been determined.CDISC" . . "C3230"^^ . "CDISC"^^ . _:b736402 . _:b692504 . . _:b692502 . "A generally slow growing tumor attached to the dura mater. It is composed of neoplastic meningothelial (arachnoidal) cells. It typically occurs in adults, often women and it has a wide range of histopathological appearances. Of the various subtypes, meningothelial, fibrous and transitional meningiomas are the most common. Most meningiomas are WHO grade I tumors, and some are WHO grade II or III tumors. Most subtypes share a common clinical behavior, although some subtypes are more likely to recur and follow a more aggressive clinical course. (Adapted from WHO)NCI" . "MeningiomaPTNCI" . "Undetermined"^^ . _:b692503 . _:b692502 . _:b773906 . _:b773904 _:b692502 . . _:b739540 . _:b692503 . _:b773905 _:b692503 . . _:b773906 _:b692504 . "C0025286"^^ . _:b773905 _:b773906 . "CTEP"^^ . . _:b773904 _:b773905 . "Meningioma"^^ . . _:b736402 _:b773904 . _:b635500 . _:b692503 . _:b692502 . _:b635500 . "Meningioma, NOSPTCTEP10027189" . _:b692504 . "MENINGIOMA, UNDETERMINEDPTCDISC" . "A type of slow-growing tumor that forms in the meninges (thin layers of tissue that cover and protect the brain and spinal cord). Meningiomas usually occur in adults.NCI-GLOSS" . "MeningiomaSYNCITCGA" . "Neoplastic Process"^^ . _:b739540 _:b736402 . "meningiomaPTNCI-GLOSSCDR0000045783" . "Meningioma"^^ . _:b635500 _:b739540 .