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Peripheral Arteriovenous Malformation: Diagnosis and Localization by Intraarterial Injection of Technetium-99m-MAA

Institute of Radiological Sciences, Mater Misericordiae Hospital, Dublin, Ireland

Correspondence: For reprints contact: Dr. M.J. Lee, Department of Radiology, Massachusetts General Hospital, Fruit St., Boston, MA 02114.

ABSTRACT

Radionuclide angiography with technetium-99m-labeled macroaggregates of albumin (^99mTc-MAA), was successful in a single patient with a lower limb arteriovenous (AV) malformation, not only in diagnosis and quantitation of AV shunting, but also in localizing the site of shunting. This information proved useful to the angiographer, permitting a carefully tailored examination of the area of interest. This technique may hold promise as a preliminary examination in patients with limb AV malformations prior to angiography.

FOOTNOTES

^* Current address: Massachusetts General Hospital, Boston, MA.