M65.312

Clinical Causes: Inflammation of the tendons in the thumb, particularly the flexor tendons Thickening of the pulley system that holds tendons in place, leading to constriction Repetitive gripping or prolonged use of the thumb Injury or trauma to the thumb area Underlying conditions such as rheumatoid arthritis or diabetes

Key Symptoms: A catching or popping sensation when moving the thumb Pain or tenderness at the base of the thumb, especially near the palm Swelling around the affected area Difficulty moving the thumb freely Locked or stuck thumb that suddenly releases An audible clicking sound during movement

Diagnosis Path: Diagnosis is primarily based on a physical examination, where a healthcare provider assesses the thumb's movement and checks for swelling or tenderness. In some cases, imaging tests like ultrasound or MRI may be used to evaluate the tendons and pulley system, ensuring accurate identification of the condition and ruling out other issues.

Treatment Protocols: Treatment options for trigger thumb include both non-surgical and surgical approaches, depending on the severity. **Non-surgical treatments:** - Rest and activity modification to reduce strain on the thumb - Application of ice to decrease swelling - Nonsteroidal anti-inflammatory drugs (NSAIDs) to ease pain and inflammation - Splinting or immobilization of the thumb to rest the affected tendon - Corticosteroid injections to reduce inflammation and improve movement **Surgical treatment:** - Trigger thumb release surgery, where a small incision is made to cut the pulley and allow free tendon movement - Post-surgery rehabilitation to regain strength and flexibility Consultation with a healthcare professional is essential to determine the most appropriate course of action based on individual circumstances and severity.