ROBERT C. STERN, M.D.; THOMAS F. BOAT, M.D.; CARL F. DOERSHUK, M.D.; ARTHUR S. TUCKER, M.D.; ROBERT B. MILLER, M.D.; LeROY W. MATTHEWS, M.D.
STERN RC, BOAT TF, DOERSHUK CF, TUCKER AS, MILLER RB, MATTHEWS LW. Cystic Fibrosis Diagnosed after Age 13: Twenty-five Teenage and Adult Patients Including Three Asymptomatic Men. Ann Intern Med. 1977;87:188-191. doi: 10.7326/0003-4819-87-2-188
Download citation file:
Published: Ann Intern Med. 1977;87(2):188-191.
Cystic fibrosis was diagnosed after age 13 in 25 patients. All had an elevated sweat chloride and either a sibling with cystic fibrosis or typical pulmonary infection or digestive symptoms caused by exocrine pancreatic deficiency. Fourteen had long-standing pulmonary or digestive symptoms. In contrast, four of eight patients whose symptoms began after age 13 presented with biliary cirrhosis. Three male patients were asymptomatic at diagnosis. Opacification of all paranasal sinuses was found in all patients examined radiologically. At diagnosis, pulmonary-function testing showed obstructive changes in 19 patients and sputum cultures showed Pseudomonas aeruginosa in 15 patients. Delayed menarche in five of seven female patients and infertility in the asymptomatic male patients (two of whom were found to have aspermia) could have led to earlier diagnosis. Teenagers and young adults with long-standing pulmonary or digestive symptoms, unexplained cirrhosis, aspermia, or a sibling with cystic fibrosis should be sweat-tested by pilocarpine iontophoresis.
Learn more about subscription options.
Register Now for a free account.
Gastroenterology/Hepatology, Pancreatic Disease, Pulmonary/Critical Care.
Results provided by:
Copyright © 2017 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
Conditions of Use
This PDF is available to Subscribers Only