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Intracranial meningiomas: MRI and CT study
Scientific Medical Journal. 1997; 9 (3): 101-117
en Inglés | IMEMR | ID: emr-116399
ABSTRACT
CT and MR imaging of 15 intracranial meningiomas were retrospectively reviewed. CT before and after IV contrast administration was accurate in intracranial meningiomas detecting the density of the lesion, oedema and calcification which occurs in meningiomas depending on the pathological nature of the tumour. With careful observation, visualization of subtle abnormalities allow MR to approach the same accuracy as CT in the detection and categorization of these tumours. Isointensity which is more common on TI can be solved by the administration of MR contrast, since almost all meningiomas show contrast enhancement. The most useful MR characteristics for identifying meningioma Include inward displacement of cortical gray matter, broad base against the dural surface and pseudocapsule of displaced vessels or CSF. The pathological enhancement beyond meningioma after administration of the contrast represents reactive changes to the neoplasm and does not necessarily indicate neoplastic Involvement
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Índice: IMEMR (Mediterraneo Oriental) Asunto principal: Neoplasias Encefálicas / Imagen por Resonancia Magnética / Tomografía Computarizada por Rayos X / Neoplasias Meníngeas Límite: Femenino / Humanos / Masculino Idioma: Inglés Revista: Sci. Med. J. Año: 1997

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Índice: IMEMR (Mediterraneo Oriental) Asunto principal: Neoplasias Encefálicas / Imagen por Resonancia Magnética / Tomografía Computarizada por Rayos X / Neoplasias Meníngeas Límite: Femenino / Humanos / Masculino Idioma: Inglés Revista: Sci. Med. J. Año: 1997