符勇  　谭文甫　  谭光华

摘要： The total prevalence of pigmented villonodular synovitis (PVNS) is 1.8 patients per million population, with solitary joint involvement mostly. The most commonly occurring sites are the knee joint (about 80%), flexor tendon sheath of the hand, hip, ankle and shoulder, and the disease rarely occurred in the elbow. A patient with PVNS of the elbow was adopted by our hospital, and the case report was as following.