Synovectomy is the surgical removal of a part of the synovial membrane of a synovial joint
Synovial joint
A Synovial joint, also known as a diarthrosis, is the most common and most movable type of joint in the body of a mammal. As with most other joints, synovial joints achieve movement at the point of contact of the articulating bones....



It is one of the treatment options for certain diseases involving the synovium like:
  • Severe rheumatoid arthritis
    Rheumatoid arthritis
    Rheumatoid arthritis is a chronic, systemic inflammatory disorder that may affect many tissues and organs, but principally attacks synovial joints. The process produces an inflammatory response of the synovium secondary to hyperplasia of synovial cells, excess synovial fluid, and the development...

     or juvenile idiopathic arthritis
    Juvenile idiopathic arthritis
    Juvenile idiopathic arthritis is the most common form of persistent arthritis in children. JIA is a subset of arthritis seen in childhood, which may be transient and...

  • Hemarthrosis
    Hemarthrosis is a bleeding into joint spaces.-Causes:It usually follows injury but occurs mainly in patients with a predisposition to hemorrhage such as those being treated with warfarin and patients with hemophilia.It can be associated with knee joint arthroplasty.-Treatment:In hemophilia it may...

  • Synovial osteochondromatosis
    Synovial osteochondromatosis
    Synovial osteochondromatosis is a rare disease that creates a benign change or proliferation in the synovium or joint-lining tissue, which changes to form bone-forming cartilage...

  • Synovial chondromatosis
    Synovial chondromatosis
    Synovial chondromatosis is a disease affecting the synovium, a thin flexible membrane around a joint. It is also known as Reichel's syndrome or Reichel-Jones-Henderson syndrome, named after Friedrich Paul Reichel, Hugh Toland Jones and Melvin Starkey Henderson.-Symptoms:Patients usually complain of...

  • Pigmented villonodular synovitis
    Pigmented villonodular synovitis
    Pigmented villonodular synovitis is a joint disease characterized by inflammation and overgrowth of the joint lining. It usually affects the hip or knee. It can also occur in the shoulder, ankle, elbow, hand or foot. In PVNS the lining of the joint, called the synovium, becomes swollen and grows....


"Chemosynovectomy" can be performed with osmic acid.

"Radiosynovectomy" has been performed with rhenium-186 and yttrium-90
Yttrium-90 is a medically significant isotope of yttrium.It emits beta rays of 2.3 MeV.Yttrium-90 is a decay product of Strontium-90 which makes up about 5% of the Nuclear daughter isotopes when Uranium is fissioned....

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