Gut wrenching: cases of missed gastrointestinal tumors and their mimics on computed tomography
Emerg Radiol . 2021 Apr;28(2):389-399. doi: 10.1007/s10140-020-01832-y. Epub 2020 Oct 6.
Nina Capiro, Carl Flink, Victor Sai, Katrina Beckett
Computed tomography (CT) of the abdomen and pelvis is one of the most common imaging studies ordered through the emergency department (ED). Because these studies are ordered for the detection of acute abnormalities and due to the relatively low incidence in patients presenting through the ED, gastrointestinal tumors are commonly missed. Moreover, many CT findings of malignant tumors overlap with benign entities, which can present a diagnostic challenge. This review article will describe the common CT findings of gastric, small bowel, colon, and appendiceal cancer as well as some of the common benign gastrointestinal conditions with similar imaging findings.
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