The patient’s past medical history included end-stage renal disease (ESRD), congestive heart failure and a history of parathyroid adenoma, for which the patient had undergone parathyroidectomy a year prior to the initial presentation at the clinic. Click Here  t o Read the Case Presentation Diagnosis Radiographic findings and inflammatory synovial aspirate of the right knee containing calcium pyrophosphate (CPP) crystals and 4203 nucleated cells/μL confirmed the diagnosis of calcium pyrophosphate dihydrate crystal deposition disease (CPPD) or pseudogout . Treatment The patient was initially administered  oral prednisone 15 mg daily, NSAIDs, and colchicine .

NSAIDs and colchicine are contraindicated in ESRD. Future complications Two months later, the  patient developed acute synovitis in the right ankle , manifestation of which was indicated by: Synovial fluid containing CPPD crystals…