What is trigger finger?
Trigger finger (also called stenosing tenosynovitis or stenosing tendovaginitis) is a painful condition in which a finger or thumb becomes “locked” in place after it has been flexed. There may be clicking, popping, or a catching sensation in the affected finger which becomes difficult to straighten without assistance. Some patients may experience stiffness and reduced motion without the characteristic catching or locking.
Stenosing tendovaginitis (i.e. narrowing inflammation of the tendon sheath) can affect any of 23 extrinsic tendons that power the wrist and hand. However, trigger finger most commonly affects the little finger, ring finger, or thumb. Additional symptoms include a bump or lump (nodule) at the base of a finger near the palm, tenderness, or lingering soreness at the base of a finger or thumb,.
What causes trigger finger?
A trigger finger is caused by inflammation and/or hypertrophy (enlargement) of the tendon sheath. This inflammation...
Definition Clubbing is a thickening of the flesh under the toenails and fingernails. The nail curves downward, similar to the shape of the round part of an upside-down spoon. Alternative Names Clubbing Considerations Clubbing occurs with a wide number of diseases. It is most often found in heart and lung diseases that cause a lower-than-normal amount of oxygen in the blood. Clubbing may also be due to lung cancer, and diseases of the liver and gastrointestinal tract. Clubbing may also occur in families. In this case it may not be due to an underlying disease. Common Causes Chronic lung conditions
Bronchiectasis Cystic fibrosis Lung abscess Lung cancer Pulmonary fibrosis Congenital heart disease (cyanotic type)
Tetralogy of Fallot Total anomalous venous return Transposition of the great vessels Tricuspid atresia Truncus arteriosus Digestive system diseases
Celiac disease Cirrhosis Crohn's disease and ulcerative colitis Graves disease or hyperthyroidism Other conditions
Dysentery Other types of cancer,...
Alternative Names Web finger repair; Web toe repair; Syndactyly repair References Jobe MT. Congenital anomalies of the hand. In: Canale ST, Beaty JH, eds. Campbell's Operative Orthopaedics . 11th ed. Philadelphia, Pa: Mosby Elsevier; 2007:chap 76. Vidyadharan R, Lester R. Syndactyly correction: an aesthetic reconstruction. "The Journal of hand surgery, European volume." J Hand Surg Eur Vol . 2010 Jul;35(6):446-50.
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