[Pseudo-gout].

Pseudo-gout or calcium pyrophosphate crystal deposition disease (CPPD) is mainly a disease of the elderly. Diagnosis is obtained by identyfication of calcium pyrophosphate (CPP) crystals in the synovial fluid. Typical X-ray result is chondrocalcinosis (CC) mostly of the knee. CPPD is most frequently asymptomatic and not requires medical therapy. Treatment of acute form of desease is usualy joint aspiration and intra-articular injection.