Management of cervical thorium dioxide granulomas.

Abstract

Thorium dioxide (Thorotrast) was used extensively in the United States from the 1930s through the 1950s for contrast radiography, including cerebral angiography. Its use was discontinued after the pathologic consequences of tumor formation and local fibrotic reaction (thorium dioxide granuloma) were recognized. The latency period for the development of… (More)

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