Dupuytren’s contracture is a condition that leads to the permanent bending of the fingers towards the palm. Predominantly observed in men, this condition primarily affects the ring, pinky, and occasionally the middle fingers. Interestingly, it usually starts in the right hand regardless of hand dominance, and eventually, about 80% of individuals develop it in both hands. In women, Dupuytren’s contracture tends to manifest later in life and is generally less severe. Although the exact cause of this condition remains unknown, experts believe that genetics play a significant role.
Understanding the Mechanism of Dupuytren’s Contracture
Dupuytren’s contracture is a condition that arises when the palmar fascia, which is a network of fibrous connective tissues surrounding muscles and other structures in the hand, starts to thicken and contract. Unlike tendons that connect muscles to bones, the palmar fascia plays a crucial role in providing flexibility and strength for grip strength.
Symptoms of Dupuytren’s Contracture
Dupuytren’s contracture is characterized by the presence of thickened fascia, which initially manifests as one or multiple hard bumps beneath the skin of the palm. These bumps are both visible and palpable. Over time, the fascia continues to thicken and shorten, forming tight bands called cords. Consequently, the affected area experiences tension, causing the fingers to gradually curl towards the palm. In advanced stages of the condition, the affected fingers may become immobile and unable to be extended. While some individuals may experience pain, the most common symptoms are aching or itching sensations.