The sternoclavicular joint is an uncommon location for chondrocalcinosis (calcium pyrophosphate deposition disease).
A 66-year-old man, known for chondrocalcinosis in the ankle, was hospitalized in the Hematology Department on the suspicion of myelodysplasia. A bone marrow examination was performed, and 48 h later, anterior chest wall pain appeared with an inflammatory syndrome (C-reactive protein 60 mg/l) without fever. Clinical …