title: Extraordinarily elevated CA19-9 in benign conditions: a case report and review of the literature.
abstract: Carbohydrate antigen CA19-9 is commonly used in the diagnosis of pancreatic and biliary malignancies. However, increases in its level in benign conditions such as acute cholangitis or pancreatitis have also been reported. A 79-year-old woman presented with cholangitis and a pancreatic pseudocyst while showing elevation of CA19-9 up to 35,500 U/mL. The patient was adequately treated and at two months' follow-up the CA19-9 level had returned to normal.
authors.affiliation: Department of Gastroenterology, Türkiye Yüksek Ihtisas Hospital, Ankara, Turkey. akdmeral@yahoo.com
authors.forename: M
authors.initials: M
authors.lastname: Akdoğan
authors.forename: N
authors.initials: N
authors.lastname: Saşmaz
authors.forename: B
authors.initials: B
authors.lastname: Kayhan
authors.forename: I
authors.initials: I
authors.lastname: Biyikoğlu
authors.forename: S
authors.initials: S
authors.lastname: Dişibeyaz
authors.forename: B
authors.initials: B
authors.lastname: Sahin
mesh_terms: D000368:Aged; D018395:CA-19-9 Antigen / Q000097:blood*; D002761:Cholangitis / Q000097:blood*; D005260:Female; D006801:Humans; D010192:Pancreatic Pseudocyst / Q000097:blood*
chemical_list: D018395:CA-19-9 Antigen