glossary says it is an inflammation. RxMed - Costochondritis - information about Tietze's Syndrome. Costochondritis Discussion. Copyright of: Ability All Rights Reserved:1990. Costochondritis is inflammation of the cartilage of the chest wall, usually involving that which surrounds the breast bone (sternum).. Costochondritis is a relatively harmless condition and usually goes away without treatment. The cause is usually unknown. Costochondritis (with unknown. Currency Converter Costochondritis is inflammation of the joint between a rib and the breastbone or between the bony part of the

rib and the rib cartilage. Costochondritis is simply inflammation of the rib joints, and attachments of intercostal muscles to the ribs, due to persistant of the intercostal. In contrast

to myocardial ischemia or infarction, PBS costochondritis