Figure b. Duodenal adenocarcinoma in a 63-year-old man with a history of three primary colon cancers diagnosed at ages 35, 40, and 53 years; duodenal cancer at age 46 years; and transitional cell carcinoma of the right ureter at age 58 years. Axial contrast-enhanced CT (a) and fused PET/CT (b) images show an ill-defined FDG-avid thickening of the transverse duodenum (arrows) invading the pancreas and mesentery. The patient was diagnosed with a second primary duodenal adenocarcinoma. He had germline mutations of MSH2 and MSH6. | Cox, V. L., Saeed Bamashmos, A. A., Foo, W. C., Gupta, S., Yedururi, S., Garg, N., & Kang, H. C. (2018). Lynch Syndrome: Genomics Update and Imaging Review. RadioGraphics, 38(2), 483ā€“499. https://doi.org/10.1148/rg.2018170075

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