Pediatric colonic adenocarcinoma: A deceptive case of gastroenteritis and constipation.

Adenocarcinoma of the colon is a rare diagnosis in pediatric patients. We present a previously healthy 15-year-old female who began experiencing escalating colicky abdominal pain and associated vomiting over 2 weeks in the setting of presumed acute gastroenteritis. A computed tomography scan revealed an obstruction in her descending colon.