| calcium pyrophosphate deposition d. |
an acute or chronic inflammatory arthropathy caused by deposition of calcium pyrophosphate dihydrate (CPPD) crystals in the joints and characterized by chondrocalcinosis and the presence of the crystals in synovial fluid. Clinically, it may resemble numerous connective tissue diseases, including osteoarthritis, rheumatoid arthritis, and gout, or it may be asymptomatic. While most commonly idiopathic, CPDD can also be hereditary or associated with a variety of metabolic diseases. Acute attacks are sometimes called pseudogout. Called also CPPD d.
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| calcium pyrophosphate dihydrate (CPPD) c.’s |
microscopic crystals of calcium pyrophosphate dihydrate occurring in the synovial fluid in calcium pyrophosphate deposition disease.
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