What is the pathophysiology of costochondritis?

Updated: Feb 19, 2020
  • Author: Lynn K Flowers, MD, MHA, ABAARM, FACEP; Chief Editor: Barry E Brenner, MD, PhD, FACEP  more...
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Answer

Costochondritis is an inflammatory process of the costochondral or costosternal joints that causes localized pain and tenderness. Any of the 7 costochondral junctions may be affected, and more than 1 site is affected in 90% of cases. The second to fifth costochondral junctions most commonly are involved.


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