Stenosing tenosynovitis
Encyclopedia
Stenosing tenosynovitis is the progressive restriction of the sheath surrounding a tendon
, causing inflammation
(tenosynovitis
).
Two common diagnoses fall into this category:
Tendon
A tendon is a tough band of fibrous connective tissue that usually connects muscle to bone and is capable of withstanding tension. Tendons are similar to ligaments and fasciae as they are all made of collagen except that ligaments join one bone to another bone, and fasciae connect muscles to other...
, causing inflammation
Inflammation
Inflammation is part of the complex biological response of vascular tissues to harmful stimuli, such as pathogens, damaged cells, or irritants. Inflammation is a protective attempt by the organism to remove the injurious stimuli and to initiate the healing process...
(tenosynovitis
Tenosynovitis
Tenosynovitis is the inflammation of the fluid-filled sheath that surrounds a tendon. Symptoms of tenosynovitis include pain, swelling and difficulty moving the particular joint where the inflammation occurs. When the condition causes the finger to "stick" in a flexed position, this is called...
).
Two common diagnoses fall into this category:
- DeQuervain's SyndromeDeQuervain's syndromeDe Quervain syndrome , is a tendinosis of the sheath or tunnel that surrounds two tendons that control movement of the thumb.-Eponym:It is named after the Swiss surgeon Fritz de Quervain who first identified it in 1895...
(affecting the first dorsal compartment of the wrist) - Trigger fingerTrigger fingerTrigger finger, trigger thumb, or trigger digit, is a common disorder of later adulthood characterized by catching, snapping or locking of the involved finger flexor tendon, associated with dysfunction and pain...
(affecting the digital flexor tendons)