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  • Title: [A case of successfully removed posttraumatic high flow dural arteriovenous fistula in the posterior fossa].
    Author: Kinjo T, Mukawa J, Miyagi K, Kinjo N, Terada Y.
    Journal: No Shinkei Geka; 1991 Jun; 19(6):577-81. PubMed ID: 1881527.
    Abstract:
    A 49-year-old male patient was admitted to Ryukyu University Hospital complaining chiefly of progressive loss of mental activity for one year. He had a history of head trauma at the right retromastoid region when he was 24. Generalized convulsions developed three years later, and left exophthalmos, facial varix and impairment of visual acuity developed seven years later. Dural arteriovenous fistula of the posterior fossa was diagnosed at the age of 32, and feeding EC and tentorial arteries were successively ligated on the right several times without any effect. Angiography during this admission revealed tremendous collateral flows; a marked dilated tortuous occipital artery fed from the right vertebral artery, meningeal branches of VA and PICA, the marginal tentorial artery, and the posterior temporal artery from MCA, PCA were drained into the right transverse sinus. But transverse sinuses were occluded bilaterally, and venous outflows were directed to the superior sagittal sinus retrograde via the ascending cortical vein, Trolard veins, and sphenoparietal and cavernous sinuses. The final drainer was the superior ophthalmic vein on the left. Normal deep veins were not visible. In park bench position, the nidus was totally resected with a part of the transverse and thrombosed sigmoid sinus. Postoperative course was uneventful, and an angiogram showed complete disappearance of the AVF. Dural AVG in the posterior fossa with characteristics such as high flow, and which is rich in collaterals following palliative treatment indicates that total surgical resection should be undertaken.
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