Ellery Altshuler, Raymond Richhart, William King, Mahmoud Aryan, Akash Mathavan, Akshay Mathavan, Keegan Hones, Daniel Leech, Logan Pucci, Joshua Riklan, Pat Haley, Ilyas Sahin, Brian Ramnaraign, Sherise Rogers, Ibrahim Nassour, Steven Hughes, Thomas J George, Jesus Fabregas
BACKGROUND: Duodenal adenocarcinoma (DA) is a rare malignancy without validated tumor markers. In practice, carcinoembryonic antigen (CEA) and carbohydrate antigen (CA 19-9) are often used in the management of DA, though their prognostic value is unknown. MATERIALS AND METHODS: A single-institution retrospective review included patients diagnosed with biopsy-confirmed adenocarcinoma of the duodenum between 2006 and 2021. Peri-ampullary tumors were excluded. Levels of CA 19-9 and CEA were collected as continuous variables and were analyzed as binary variables: normal vs...
April 15, 2023: Oncotarget