Tenosynovitis is the inflammation of the fluid-filled sheath (called the synovium) that surrounds a tendon, typically leading to joint pain, swelling, and stiffness. Tenosynovitis can be either infectious or noninfectious. Common clinical...
De Quervain syndrome or De Quervain tendinopathy occurs when two tendons that control movement of the thumb become enlarged where they pass through their tendon sheath in the wrist. The characteristic symptoms are pain and tenderness on the thumb...
Bicipital tenosynovitis is tendinitis or inflammation of the tendon and sheath lining of the biceps muscle. It is often the result of many years of small tears or other degenerative changes in the tendon first manifesting in middle age, but can be...
Trigger finger, also known as stenosing tenosynovitis, is a disorder characterized by catching or locking of the involved finger in full or near full flexion, typically when the hand is closed with force. There may be tenderness in the palm of the...
Tenosynovial giant cell tumor (TGCT) is a non-malignant tumor defined histologically as inclusions of "osteoclast-like" multinucleated giant cells, hemosiderin, and macrophages. This histology can present one of 2 clinically distinct ways....
Achilles tendinitis, also known as Achilles tendinopathy, is soreness and irritation of the Achilles tendon. It is accompanied by alterations in the tendon's structure and mechanical properties. The most common symptoms are pain and swelling around...
Finkelstein's test is a test used to diagnose de Quervain's tenosynovitis in people who have wrist pain. Classical descriptions of the Finkelstein's test are when the examiner grasps the thumb and ulnar deviates the hand sharply. If sharp pain...
A Baker's cyst, also known as a popliteal cyst, is a type of fluid collection behind the knee. Often there are no symptoms. If symptoms do occur these may include swelling and pain behind the knee, or knee stiffness.
A disc jockey, more commonly abbreviated as DJ, is a person who plays recorded music for an audience. Types of DJs include radio DJs (who host programs on music radio stations), club DJs (who work at nightclubs or music festivals), mobile DJs (who...
Crepitus () or crepitation is "a grating sound or sensation produced by friction between bone and cartilage or the fractured parts of a bone". Various types of crepitus that may be heard in joint pathologies are: Bone crepitus: This may be heard...