Pseudogout

Alternative Names

Calcium pyrophosphate dihydrate deposition disease; CPPD disease

Definition of Pseudogout

Pseudogout is a joint disease that can cause attacks of . Like gout, the condition involves the formation of crystals in the joints. But in pseudogout, the crystals are formed from a salt instead of uric acid.

Causes, incidence, and risk factors

Pseudogout is caused by the collection of salt called calcium pyrophosphate dihydrate (CPPD). The buildup of this salt forms crystals in the joints. This leads to attacks of and pain in the knees, wrists, ankles, and other joints.

Treatment

Treatment may involve the removal of fluid to relieve pressure within the joint. A needle is placed into the joint and fluid is removed (aspirated).

Expectations (prognosis)

Most people do well with treatment.

Review

Mark James Borigini, MD, Rheumatologist in the Washington, DC Metro area. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc. – 5/13/2010

Shoulder joint inflammation

ADAM Medical Encyclopedia

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