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Ganglion cyst. A ganglion cyst is a fluid-filled bump associated with a joint or tendon sheath. [3] It most often occurs at the back of the wrist, followed by the front of the wrist. [3][4] The cause is unknown. [3] The underlying mechanism is believed to involve an outpouching of the synovial membrane. [4]
The cysts may be found anterior to the sacral area and have been known to extend into the abdominal cavity. These cysts, though rare, can be found to grow large - over 3–4 centimetres (1.2–1.6 in) in size, often causing severe abdominal pain from compression on the cyst itself as well as adjoining nerves. [citation needed]
Most patients are diagnosed between the age of 30-50. Tenosynovial giant cell tumor (TGCT) is a group of rare, typically non-malignant tumors of the joints. TGCT tumors often develop from the lining of joints (also known as synovial tissue). [1][2][2]: 100 [3][3]: 245 . Common symptoms of TGCT include swelling, pain, stiffness and reduced ...
Treatment. Supportive care, aspiration, surgery [1] Frequency. c. 20% [2][3] A Baker's cyst, also known as a popliteal cyst, is a type of fluid collection behind the knee. [4] Often there are no symptoms. [2] If symptoms do occur these may include swelling and pain behind the knee, or knee stiffness. [1]
Rheumatology. Synovial osteochondromatosis (SOC) (synonyms include synovial chondromatosis, primary synovial chondromatosis, synovial chondrometaplasia) 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. In most occurrences, there is only one ...
Facet syndrome. Facet syndrome is a syndrome in which the facet joints (synovial diarthroses) cause painful symptoms. [1] In conjunction with degenerative disc disease, a distinct but functionally related condition, facet arthropathy is believed to be one of the most common causes of lower back pain. [2][3]
Facet cyst or Postoperative synovial facet cysts is the cyst of Lumbar intraspinal synovial joint and ganglion. [1] The cause of facet cysts is not well known. [2]
H&E stain. A synovial sarcoma (also known as malignant synovioma[1]) is a rare form of cancer which occurs primarily in the extremities of the arms or legs, often in proximity to joint capsules and tendon sheaths. [2] It is a type of soft-tissue sarcoma. The name "synovial sarcoma" was coined early in the 20th century, as some researchers ...