{Reference Type}: Case Reports {Title}: Elevation of the tumor marker CA19-9 in a pancreatic cancer survivor with benign prostatic hyperplasia: A clinical case report. {Author}: Pendry SD;Singhal N;Neo EL;Foreman D;Winter JM; {Journal}: Clin Case Rep {Volume}: 12 {Issue}: 6 {Year}: 2024 Jun 暂无{DOI}: 10.1002/ccr3.8929 {Abstract}: Serum carbohydrate antigen 19-9 (CA19-9) is used for recurrence surveillance in patients with resected pancreatic ductal adenocarcinoma (PDAC). This report describes the association of increasing CA19-9 in a male PDAC survivor with presence of prostatic hyperplasia. Unexplained elevation of CA19-9 in male PDAC survivors might be attributable to benign prostatic conditions.