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Authors Meyer KC, Francois ML, Thomas HK, Radford KL, Hawes DS, Mack TL, Cornwell RD, Maloney JD, De Oliveira NC
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Journal J. Cyst. Fibros. Volume: 10 Issue: 5 Pages: 366-9
Publish Date 2011 Sep
PubMed ID 21664882
Abstract

To determine the incidence of colon cancer in lung transplant recipients with cystic fibrosis (CF) and review screening colonoscopic findings in other recipients with CF.A retrospective chart review was performed for all patients with CF transplanted at the University of Wisconsin Hospital and Clinics (January 1994 through December 2010).Four of 70 transplant recipients with CF developed fatal colon carcinoma following transplantation, and the cancer was advanced in all 4 recipients (age 31, 44, 44, 64) at the time of diagnosis. In contrast, only one of 287 recipients transplanted for non-CF indications developed colon cancer. Of all recipients with CF who did not develop colon cancer, 20 recipients underwent screening colonoscopy at 1 to 12 years following transplantation. Seven (35%) of the screened transplant recipients (ages 36, 38, 40, 41, 43, 49, 51) had colonic polyps in locations ranging from cecum to sigmoid colon and up to 3 cm in diameter.In contrast to non-CF recipients, patients with CF displayed a significant incidence of colon cancer (4 of 70 recipients; 5.7%) with onset ranging from 246 days to 9.3 years post-transplant, which may be due to a combination of their underlying genetic disorder plus intense, sustained immunosuppression following lung transplantation. Colonoscopic screening may identify patients with pre-malignant colonic lesions and prevent progression to colonic malignancy.

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