Abstract
A 70-year-old woman was diagnosed with ascending colon cancer, and a right hemicolectomy was performed in 2008. During her followed up she was admitted to our hospital because of a pancreatic head tumor revealed by computed tomography (CT) in 2010. Tumor markers were within normol range. Ultrasonography (US) revealed a low-echoic mass ; CT revealed a tumor staining in the late phase with invasion to the posterior wall of the stomach and to the superior mesenteric vein (SMV), and magnetic resonance imaging (MRI) revealed a low-intensity mass in both T1- and T2-weighted images. She was diagnosed with invasive ductal carcinoma of the pancreas, and pancreatoduodenectomy and reconstruction of the SMV with a graft from the left renal vein were performed. The histological findings showed similar findings to primary ascending colon cancer, CK7 was negative and CK20 was positive, immunohistochemically. These findings resulted in a diagnosis of the tumor as pancreatic metastasis from the ascending colon cancer. Previous reports suggest that R0 resection results in good prognosis.
