RT Journal Article SR Electronic T1 Unruptured intracranial arteriovenous malformations do cause mass effect. JF American Journal of Neuroradiology JO Am. J. Neuroradiol. FD American Society of Neuroradiology SP 29 OP 32 VO 6 IS 1 A1 Kumar, A J A1 ViƱuela, F A1 Fox, A J A1 Rosenbaum, A E YR 1985 UL http://www.ajnr.org/content/6/1/29.abstract AB Sixty patients with clinically unruptured intracranial arteriovenous malformations were studied with high-resolution computed tomography. In 33, local and distant mass effects were evidenced by compression, distortion, and displacement of normal anatomic structures by the malformation, its afferent and efferent vessels, and the surrounding edema.