Tietze Syndrome, on the other hand, is associated with swellings at the rib-cartilage junction, and lasts longer. (Costochondritis has no noticeable swelling.) Neither condition involves pus or abscess formation
. Tietze syndrome usually affects the bone-cartilage junctions of the second and third ribs. The swelling may last for several months. The syndrome can develop as a complication of surgery on your sternum, months to years after the operation. However, the cause is usually unknown.