Colonic Carcinoma in Two Adult Cystic Fibrosis Patients

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Abstract
Two adult women with cystic fibrosis (CF) who developed colonic carcinoma, both at age 31, are described. In both patients the carcinoma occurred in the midtransverse colon. The diagnosis had not been suspected, partly because of the patients relatively young age. In case 1, the symptoms also mimicked the distal intestinal obstruction syndrome. At diagnosis she was shown to have metastases to the regional lymph nodes. In case 2, despite a long history of chronic pulmonary and sinus disorders, CF was not diagnosed until the patient was 36 years old. The incidence of gastrointestinal malignancies has been shown to be significantly increased in patients with CF. As the life expectancy of the CF population increases, vigilance for gastrointestinal cancers in CF patients is important, as illustrated by these two cases.