Abstract
Vein of Galen aneurysms are uncommon malformations that can be treated with a combination of endovascular embolization and surgery. Since the relevant techniques are new and innovative, their pathologic sequelae are not yet well described. A patient treated with staged embolization over a 15-month period developed evidence of cerebral venous hypertension on angiography. At necropsy, we observed marked myointimal proliferation of the aneurysm wall, dura, and cerebral vessels in addition to severe widespread encephalomalacia, calcinosis, and rare mural thrombi. These vascular changes have not been previously described in cases of vein of Galen aneurysm, and may, in part, be a consequence of embolization therapy.
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Reichman, A., Viñuela, F., Duckwiler, G.R. et al. Pathologic findings in a patient with a vein of Galen aneurysm treated by staged endovascular embolization. Child's Nerv Syst 9, 33–38 (1993). https://doi.org/10.1007/BF00301934
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DOI: https://doi.org/10.1007/BF00301934