Intra-arterial digital subtraction angiography of the spinal cord.

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Abstract
Digital subtraction angiography (DSA) of the spinal cord was performed in 6 patients using selective intra-arterial injections of contrast material. Two arteriovenous malformations of the spinal cord, 1 dural fistula and 1 case of multiple hemangioblastomas were studied. Contrast and spatial resolution were satisfactory for defining normal and abnormal vascularity while reducing examination time, contrast dosage, patient discomfort and film cost. The only significant limitation was misregistration artifacts seen on lateral views encompassing the diaphragm.

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