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Vol. 13. Issue 1.
Pages 50-53 (January 2002)
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Vol. 13. Issue 1.
Pages 50-53 (January 2002)
Linfoma dural primario no Hodgkin B de bajo grado simulando un meningioma
Primary dural low grade non-Hodgkin B cell-lymphoma mimicking meningioma
A. Vázquez
Corresponding author
vazquezmed@adv.es

Correspondencia postal: Alfonso Vázquez. Servicio de Neurocirugía. Hospital De Navarra. C/ Irunlarrea 31008. Pamplona. España.
, E. Portillo, J. Guridi, I. Zazpe
Servicio de Neurocirugía. Hospital De Navarra
M.C. Caballero*, C. Valentí*
* Servicio de Anatomía Patológica. Hospital de Navarra
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Resumen

Los linfomas meníngeos primarios son muy poco frecuentes, presentándose como lesiones difusas y siendo muy infrecuentes las masas bien delimitadas.

Presentamos el caso de un paciente varón de 44 años de edad, que ingresa de Urgencias por presentar una crisis convulsiva generalizada. Se realizaron estudios de neuroimagen consistentes en TC, RNM y angiografía cerebral, que demostraron la presencia de una tumoración extraaxial bien delimitada en convexidad derecha, siendo el diagnóstico sospechado meningioma y siendo intervenido quirúrgicamente, con resección completa de la lesión y márgenes durales. El diagnóstico histopatológico correspondió a un linfoma B no Hodgkin de bajo grado (linfoma de células de zona marginal), actualmente considerado como linfoma MALT (Mucosa Associated Lymphoid Tissue). Los estudios destinados a establecer una extensión tumoral no demostraron la existencia de otras lesiones en el organismo.

Palabras clave:
Duramadre
Linfoma no Hodgkin
MALT
Meningioma
Summary

Primary dural lymphomas are rare. Usually they present themselves as diffuse lesions and are infrequently well-delimited.

We present a 44 year old male, who was admitted into our Centre after a generalised seizure. Neuroimage studies (CT sean, MRI and angiography) were performed, demonstrating a right hemispheric well-delimited extra-axial mass, being diagnosed initially as meningioma. The patient underwent surgery with radical scission of the mass and dural margins. Hystopathologycal diagnosis was Non-Hodgkin B-Cell lymphoma (marginal B-Cell lymphoma), which nowadays is considered as MALT lymphoma (Mucosa Associated Lymphoid Tissue). Studies directed to establish tumour extension didn’t demonstrate the existence of another lesions in the organism.

Key words:
Dura
MALT
Meningioma
Non-Hodgkin
Lymphoma

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