Diffuse articular chondrocalcinosis is calcification of cartilage and fibro-cartilage in relation to calcium pyrophosphate dihydrate crystal deposition. It reaches both sexes and becomes very common after 70 years with over 30% of patients with latent form. The classic clinical picture corresponds to the acute monoarthritis of gouty appearance, preferentially of the knee. Sometimes the clinical presentation may be more misleading as evidenced by this observation.
We report the case of a 90-year-old patient followed in internal medicine for bullous pemphigoid with dermocorticoid and methotrexate 15 mg / week. He presented for other notable antecedents, an ACFA under AVK, an amputation of the traumatic lower left femoral third on AVP. For some months now, the patient has been describing inflammatory arthralgia of MCP, PPIs and shoulders with relative functional impotence. There was no evidence of Horton’s vasculitis.
The biological assessment found a frank inflammatory syndrome with CRP 150 mg …