Calcium pyrophosphate dihydrate disease (CPPD) is a rheumatologic disorder with varied symptoms arising due to the accumulation of crystals of calcium pyrophosphate dihydrate in the connective tissues. It is more commonly known by alternative names that specify certain clinical or radiographic findings, although neither is synonymous with CPPD. Pseudogout refers to the acute symptoms of joint inflammation or synovitis: red, tender, and swollen joints that may resemble gouty arthritis (a similar condition in which monosodium urate crystals are deposited within the joints)...