Dupuytren's Contracture, Trigger Finger, and Carpal Tunnel Syndrome: Three Distinct Hand Conditions

Why Accurate Diagnosis of Hand Conditions Matters

Hand pain and dysfunction can arise from conditions that look superficially similar but involve completely different anatomical structures and require different treatments. Dupuytren's contracture, trigger finger, and carpal tunnel syndrome are three of the most common hand and wrist conditions seen in orthopedic practice — and they are frequently confused. Understanding how they differ can help you recognize your own symptoms and have a more informed conversation with your physician.

Dupuytren's Contracture

Dupuytren's contracture is a fibrotic condition affecting the palmar fascia — the layer of connective tissue beneath the skin of your palm. Over time, this tissue thickens and forms fibrous cords that tether the fingers in a flexed position. The ring and small fingers are most commonly involved.

A key distinguishing feature: Dupuytren's contracture is typically painless. Patients often first notice a thickening or nodule in the palm, and the condition progresses slowly over months or years. The primary functional problem is an inability to fully straighten the fingers, which interferes with everyday activities like shaking hands, wearing gloves, or placing the hand flat on a surface.

Treatment is indicated when the contracture interferes with hand function. Options include needle aponeurotomy (breaking the cord with a needle), collagenase injection (an enzyme that dissolves the cord), or surgical fasciectomy for more severe cases. Risk factors include northern European ancestry, male sex, diabetes, and a family history of the condition.

Trigger Finger

Trigger finger — medically termed stenosing tenosynovitis — occurs when the tendon sheath surrounding a flexor tendon becomes inflamed and thickened, narrowing the canal through which the tendon must pass. The result is a catching or locking sensation when you flex and extend the affected finger. In some cases, the finger becomes stuck in a bent position and must be manually straightened.

Unlike Dupuytren's contracture, trigger finger is frequently painful, particularly at the base of the affected finger or in the palm. Morning stiffness is a common complaint. Any finger can be affected, and multiple fingers can be involved simultaneously.

Initial treatment includes a corticosteroid injection into the tendon sheath, which resolves symptoms in a substantial portion of patients. Splinting can reduce triggering temporarily. When injections fail or the finger is locked, a simple outpatient procedure to release the A1 pulley — the primary constriction point — is highly effective.

Carpal Tunnel Syndrome

Carpal tunnel syndrome results from compression of the median nerve as it passes through the carpal tunnel at the wrist. The median nerve supplies sensation to the thumb, index, middle, and part of the ring finger, and provides motor control to the thenar muscles at the base of the thumb.

Symptoms include numbness, tingling, and burning in those fingers — particularly at night or during activities that involve sustained wrist flexion or extension. Patients sometimes report waking from sleep with hand numbness and shaking their hand to relieve it. In more advanced cases, grip strength weakens and patients may drop objects.

Carpal tunnel syndrome is diagnosed clinically, supported when needed by nerve conduction studies. Mild to moderate cases often improve with nighttime wrist splinting and activity modification. Corticosteroid injection into the carpal tunnel can provide temporary relief. Carpal tunnel release — a brief outpatient procedure — is the definitive treatment for persistent or severe cases and has a high success rate.

If you're experiencing hand pain, numbness, or limited finger movement, the specialists at Maryland Orthopedic Specialists can help. Call (301) 515-0900 or [schedule an appointment online](https://www.mdorthospecialists.com/contact).