This lecture provides an overview of the variety of bone and soft-tissue tumours and tumour-like lesions that may present clinically as monoarthropathy, ie; a swollen painful joint. Bone tumours include osteoid osteoma and chondroblastoma, which can produce a florid reactive synovitis. The most common soft tissue neoplasms are pigmented villonodular synovitis (PVNS), synovial osteochondromatosis (SOC), synovial haemangioma and lipoma arborescens, while non-neoplastic lesions include reactive synovitis and septic arthritis (including TB). The knee joint is by far the most common location, and most lesions present in adulthood. Malignant intra-articular soft tissue tumours are extremely rare.
• To raise awareness of the possibility of neoplastic causes of monoarthropathy
• To indicate the most common pathologies and joints involved
• To illustrate the imaging features of the various lesions
• Sheldon PJ1, Forrester DM, Learch TJ. Imaging of intraarticular masses. Radiographics 2005 Jan-Feb; 25:105-19.
• Garner HW1, Bestic JM. Benign synovial tumors and proliferative processes. Semin Musculoskelet Radiol 2013;17: 177-88.
0.5 CPD credit
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Consultant Musculoskeletal Radiologist, Royal National Orthopaedic Hospital NHS Trust
Dr Asif Saifuddin is the Senior Consultant Musculoskeletal Radiologist at The Royal National Orthopaedic Hospital in Stanmore, where he has practised since 1994. His major interests are in all aspects of musculoskeletal MRI, with particular interest in musculoskeletal tumour imaging and bone biospy, being the radiology lead for the London Sarcoma Service.
He has lectured nationally and internationally, has over 200 peer reviewed publications and written many book chapters and books, the major work being Musculoskeletal MRI for which the 2nd ed was published in 2016.