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Roentgenographic visualization of the bile ducts after oral administration of iopanoic acid (Telepaque) in patients with functioning gallbladders has been mentioned by nearly all authors reporting their experiences with this contrast material; but we have been unable to find any report in the American literature regarding such visualization in patients with nonfunctioning gallbladders. We have frequently visualized the hepatic and common bile ducts 12 hours after the oral administration of iopanoic acid in patients whose gallbladders were not visualized; and, in several of these patients, as in the patient in case 58, the cystic duct was also clearly seen (fig. 1). Heretofore such visualization of the ducts after oral administration of iopanoic acid had been ignored or interpreted as "contrast material" in the alimentary canal, as, for example, in the duodenum. It is, therefore, the purpose of this report to present some of our experiences with oral cholangiography in order
Stamatakos MJ, Taber KW. ORAL CHOLANGIOGRAPHYPRELIMINARY REPORT. JAMA. 1957;164(16):1752–1755. doi:10.1001/jama.1957.62980160001007
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