Presentamos un caso de malformación arterio-venosa dural (MAVD) a partir de ambas arterias etmoidales anteriores, diagnosticada mediante RNM y angiografía. El nidus estaba situado a nivel de la lámina cribosa derecha, con drenaje a través de las venas piales trombosadas hasta el seno longitudinal superior. Se extirpó completamente durante el acto quirúrgico, sin secuelas. Se discuten la etiología, la clínica y las posibilidades de tratamiento quirúrgico.
The case of a dural arteriovenous malformation (DAVM) fed by the anterior athmoidal artery in the anterior cranial fossa is reported. The patient was examined by arteriography and magnetic resonance imaging. The nidus was located in the region of the right cribiform plate and venous drainage was through pial veins into the superior sagittal sinus. The lesion was surgically treated. The etiology, syínpiomatology and surgical treatment of this rare type of vascular malformation are discussed.
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