Friday, May 4, 2012

Pseudogout

looks like OA, involves large joints, wrists, but not DIP or PIP.

Calcium pyrophosphate deposition unlike uric acid in gout

Rhomboid shaped , +vely birefringent crystals unlike the needle shaped -vely birefringent crystals of gout

Suspect in patient with haemochromatosis or hyperparathyroidism

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