Synovial hemangioma: a pictorial essay of two cases

摘要

Synovial hemangiomas are uncommon benign tumours of vascular origin arising in relation to the synovium of joints or bursae. Usually, a long-standing history of pain and joint swelling is present affecting children and adolescents especially in the knee or elbow joint. We present two cases of knee swelling diagnosed as synovial hemangioma.