Costochondritis Home>Conditions_and_Diseases>Musculoskeletal_Disorders>Costochondritis     Web Pages Health Square A complete explanation of costochondritis including risks, what to expect and when to call the doctor. Costochondritis Hub A brief definition followed by links to overviews, research articles and directories. Mayo Clinic: Costochondritis A question and answer about costochondritis. Explains what it is and some treatment options. Costochondritis and Primary Biliary Cirrhosis A description of costochondritis, its possible causes, diagnosis and treatments.