It is a condition caused by abnormal thickening of the structure (fascia) which is located just below the palms inner skin and undertakes protection for the tendon nerve and vascular structures passing under it. Fascia thickening starts from the palm and extends towards the fingers. The disease progresses, bending the palm of the fingers and the appearance of some stiffness called nodules on the skin.

This disease can sometimes occur in the soles of the feet and the penis.

It is usually seen in men over 40 years of age. While it is more likely to occur in diabetic patients, its relationship with hand injuries and other occupational diseases has not been established. It is more common in small and middle fingers but may affect all fingers.

On examination, swelling and curvature of the palms are observed. The thickened stiffness in the form of beads associated with the swelling occurs in the palm. In advanced stages of the disease, bending occurs due to the pull of the cord on the fingers. In most patients, both hands are affected together. If the disease starts at an early age, it is more serious.