S62.254

Clinical Causes: A direct blow or impact to the thumb or hand, such as during sports or falls. Crushing injuries from accidents involving heavy objects. Falls onto an outstretched hand, especially when falling onto the thumb or side of the hand. Overuse or repetitive stress that weakens the bone over time, though less common for fractures of this type.

Key Symptoms: Sudden pain at the base of the thumb or in the palm of the hand. Swelling and tenderness around the thumb area. Bruising or discoloration near the injury site. Difficulty gripping or pinching objects. Limited movement or stiffness in the thumb or hand. Possible deformity if swelling distorts the normal shape of the hand.

Diagnosis Path: Diagnosis typically involves a physical examination of the hand and thumb, where the doctor assesses swelling, tenderness, and movement. Imaging tests such as X-rays are essential to confirm the presence of a fracture, determine its location, and establish whether the fracture is displaced or nondisplaced. Proper imaging helps guide the appropriate treatment plan.

Treatment Protocols: Management of a nondisplaced fracture of the neck of the first metacarpal generally includes the following steps: - **Immobilization:** The use of a splint or cast to keep the thumb and hand stable and prevent movement that could worsen the injury. - **Rest:** Avoiding activities that put stress on the hand to allow healing. - **Pain management:** Over-the-counter pain relievers may be recommended to alleviate discomfort. - **Follow-up:** Regular monitoring via follow-up appointments and X-rays to ensure proper healing. - **Rehabilitation:** After immobilization, hand therapy exercises may be advised to restore strength, flexibility, and range of motion. In cases where the bone alignment is not maintained or if complications arise, surgical intervention might be necessary to realign the bone fragments and secure them with pins or screws.