Cystic fibrosis: making a correct and early diagnosis.

Cystic fibrosis is detected with increasing frequency in older children, adolescents, and 
even young adults. The quality of life and longevity in patients 
with cystic fibrosis is more favorable the earlier a diagnosis is 
made and a therapeutic regimen begun. This report presents and reviews 
five cases in chich the diagnosis of cystic fibrosis was made 
after the age of six years. Emphasis is placed on the 
variability of presenting signs and symptoms and the problems that can 
arise in confirming a suspected diagnosis of cystic fibrosis. 