M21.249

Clinical Causes: Trauma or injury to the finger joint resulting in scar tissue formation or joint damage Arthritis, including osteoarthritis or rheumatoid arthritis, leading to joint degeneration Infections affecting the joint tissues, causing inflammation and deformity Connective tissue disorders such as Dupuytren's contracture, which causes thickening of the tissue under the skin Aging-related degenerative changes that weaken joint structures Previous surgeries or immobilization that lead to joint stiffness and deformity

Key Symptoms: Persistent finger bending that cannot be fully straightened Pain or tenderness around the affected joint Stiffness and reduced range of motion in the finger Decreased grip strength due to impaired finger movement Visible deformity or abnormal finger positioning Difficulty performing fine motor tasks or gripping objects

Diagnosis Path: Diagnosis typically involves a thorough medical history and physical examination of the hand and affected finger. Imaging studies such as X-rays can help assess joint damage, deformity, and underlying causes. In some cases, additional tests like MRI or blood work may be performed to identify inflammatory or infectious processes. The healthcare provider will evaluate the extent of the deformity and functionality of the finger to determine the most appropriate management plan.

Treatment Protocols: Treatment approaches aim to improve finger function, reduce deformity, and manage underlying causes. Options may include: - **Conservative measures:** Rest, splinting to maintain finger position, physical therapy to improve flexibility and strength, and medications such as NSAIDs to reduce pain and inflammation. - **Injections:** Corticosteroid injections to decrease inflammation within the joint. - **Surgical interventions:** Procedures like joint release, arthroplasty, or tendon lengthening may be necessary in more severe cases to correct deformity and restore function. - **Assistive devices:** Use of splints or braces to support the finger and prevent worsening deformity. Early intervention can prevent progression of the deformity and preserve hand function, but the specific treatment plan depends on the underlying cause and severity of the condition.