Mio S.YI-CHIAN WANGWEN-SHIANG CHENTYNG-GUEY WANG2020-04-082020-04-0820110929-6441https://www.scopus.com/inward/record.uri?eid=2-s2.0-83555179126&doi=10.1016%2fj.jmu.2011.10.002&partnerID=40&md5=df864c52ba3fb8b34c05c3fb010a2caehttps://scholars.lib.ntu.edu.tw/handle/123456789/483617Pigmented villonodular synovitis (PVNS) is a disease rarely found in the elbow, and there is limited literature describing its ultrasonographic morphology. We report a case of elbow PVNS, showing the sonographic features of a hyperechoic, heterogenous, irregularly-shaped mass. Compared to knee joint PVNS, elbow joint PVNS has less joint effusion. This is also the first article to demonstrate the increased blood perfusion of PVNS with power-mode Doppler imaging. ? 2011.[SDGs]SDG3nonsteroid antiinflammatory agent; adult; arthralgia; article; case report; echography; elbow; erythema; human; joint limitation; joint swelling; male; nuclear magnetic resonance imaging; physical examination; pigmented villonodular synovitis; tennis elbowjournal article10.1016/j.jmu.2011.10.0022-s2.0-83555179126