Mesh : Amyloid Neuropathies, Familial Amyloidosis / complications diagnosis pathology physiopathology Arthritis, Rheumatoid / diagnosis Arthroplasty Biopsy Bone Neoplasms / diagnosis Bone and Bones Cartilage, Articular Chondrosarcoma / diagnosis Conservative Treatment Cyclophosphamide / therapeutic use Diagnosis, Differential Humans Immunoglobulin Light-chain Amyloidosis Immunosuppressive Agents / therapeutic use Joint Diseases / diagnosis etiology pathology physiopathology Ligaments Liver Transplantation Melphalan / therapeutic use Muscular Diseases / diagnosis etiology pathology physiopathology Musculoskeletal Diseases / diagnosis etiology pathology physiopathology Orthopedic Procedures Prednisone / therapeutic use Risk Factors Serum Amyloid A Protein Sex Factors Spondylarthropathies / diagnosis Synovial Membrane beta 2-Microglobulin