«Costochondritis is characterized by pain and tenderness in the cartilage that connects the ribs to the breastbone. It is the most common cause of chest wall pain and primarily affects adults over 40 years. When swelling accompanies the pain and tenderness, the condition is called Tietze syndrome. Tietze syndrome is rare and generally affects people under the age of 40.»

«Costochondritis is a condition that causes chest pain due to inflammation of the cartilage and bones in the chest wall. Also called Tietze's Syndrome, costochondritis occurs when there is inflammation at the junction of the rib bone and breastbone (sternum). At this junction, there is cartilage joining these bones. This cartilage can become irritated and inflamed. Depending on the extent of the inflammation, costochondritis can be quite painful.»