Unusually Elevated CA 19-9 in Choledocholithiasis
نویسندگان
چکیده
12 mg/ dl, Carcinoembryonic antigen (CEA) 3.2 ng/ ml and a CA 19-9 of 38310 U/ml. Ultrasonographic examination and computed tomography of the abdomen were of poor quality due to body habitus. Magnetic resonance imaging (MRI) of the abdomen showed intrahepatic biliary dilatation, a dilated common bile duct of 11mm and no pancreatic mass. Endoscopic ultrasound revealed cholelithiasis as well as an impacted stone in the ampulla. The pancreatic head appeared normal (Figures 1 and 2). He underwent two attempts of endoscopic retrograde cholangiopancreatography done by two endoscopists; however his bile duct could not be cannulated due to anatomic distortion from his body habitus. After two days, his symptoms started to improve. A repeat CA 19-9 level obtained one week later was 36 U/ml (within the normal range).
منابع مشابه
Benign Hydronephrosis and Elevated of Serum Levels of Carbohydrate Antigen CA 19-9: A Case Report
BACKGROUND Carbohydrate tumor-associated antigen (CA 19-9) has been shown to be upregulated in other malignant tumors including gastric, ovarian, hepatocellular, and colorectal carcinoma as well as benign diseases of the biliary track such as pancreatitis, cholangitis, and choledocholithiasis. According to the available literature, in several cases of benign hydronephrosis and in a few cases of...
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Carbohydrate antigen 19-9 is most valuable as a serum marker for pancreatic and biliary cancer, but increased concentrations occur in several other gastrointestinal malignancies. A carbohydrate antigen 19-9 value of >1,000 U/ml usually indicates a digestive cancer and has been reported to have a specificity greater than 99% for pancreatic cancer; nevertheless, false-positive results owing to be...
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