title: When to suspect atypical cystic fibrosis.
abstract: Not all patients with cystic fibrosis have abnormal sweat chloride levels, severe lung disease, or failure to thrive. These 2 cases remind us to think "outside the box".
authors.affiliation: Division of Pediatric Gastroenterology and Nutrition, Stony Brook University Medical Center, Stony Brook, NY 11794, USA. anchawla@notes.cc.sunysb.edu
authors.forename: Anupama
authors.initials: A
authors.lastname: Chawla
authors.forename: Frances G
authors.initials: FG
authors.lastname: Turcotte
authors.forename: Kathleen
authors.initials: K
authors.lastname: Usmani
authors.forename: Adaobi C
authors.initials: AC
authors.lastname: Kanu
mesh_terms: D002648:Child; D002712:Chlorides / Q000032:analysis; D003550:Cystic Fibrosis / Q000175:diagnosis* / Q000235:genetics / Q000628:therapy; D019005:Cystic Fibrosis Transmembrane Conductance Regulator / Q000235:genetics; D003850:Deoxyribonuclease I / Q000627:therapeutic use; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010179:Pancreas / Q000201:enzymology; D013542:Sweat / Q000737:chemistry
chemical_list: D002712:Chlorides; D019005:Cystic Fibrosis Transmembrane Conductance Regulator; D003850:Deoxyribonuclease I