Subject Review: Pancreatic Ductal Adenocarcinoma in the Setting of Mutations in the Cystic Fibrosis Transmembrane Conductance Regulator Gene: Case Report and Review of the Literature
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- Rittenhouse, D.W., Talbott, V.A., Anklesaria, Z. et al. J Gastrointest Surg (2011) 15: 2284. doi:10.1007/s11605-011-1639-y
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Cystic fibrosis (CF) is the most commonly inherited lethal autosomal recessive genetic disease amongst Caucasians. CF results from mutations in the cystic fibrosis transmembrane conductance regulator (CFTR) gene. Patients with homozygous or compound heterozygous CFTR mutations have a risk of pancreatitis, but typically do not live long enough to develop pancreatic ductal adenocarcinoma (PDA), a disease that has an average age at diagnosis of 65 years. Little is known about the risk of the development of PDA in people who are heterozygous for mutations in the CFTR gene.
Patients and Methods
We report a case of a patient with PDA who underwent resection, who is a carrier for the W1282X nonsense mutation in the CFTR gene. The patient is of Ashkenazi Jewish ethnicity and has a family history of CF, but no family history of PDA. We reviewed the English language literature for the prevalence of PDA in CF patients (and CFTR mutations in the setting of PDA) and their significance in terms of screening, and the use of this mutation as a biomarker for an increased risk of the development of PDA.
We conclude that patients with CFTR mutations, who also have other risks for the development of PDA such as a family history of the disease, should undergo screening and be educated about their risks.