M71.03

Clinical Causes: Bacterial infections, especially from bacteria such as Staphylococcus aureus Direct trauma or injury to the wrist, introducing bacteria Repeated or excessive wrist movement causing micro-injuries Spread of infection from nearby tissues or skin infections Invasive procedures or injections near the wrist Underlying skin conditions that compromise skin integrity Poor hygiene or wounds that are not properly cared for

Key Symptoms: Swelling and puffiness on the back or front of the wrist Tenderness or sensitivity to touch around the affected area Persistent pain that may worsen with movement Warmth and redness over the bursa Limited range of motion in the wrist Possible fluctuance (a soft, fluid-filled sensation upon palpation) Fever or chills in more severe cases indicating systemic infection

Diagnosis Path: Diagnosis typically involves a physical examination where a healthcare provider assesses the swelling, tenderness, and skin condition around the wrist. Imaging techniques such as ultrasound or MRI may be used to confirm the presence of a bursa abscess and rule out other conditions. In some cases, a sample of the fluid might be aspirated and analyzed to identify the microorganism causing the infection, guiding appropriate treatment.

Treatment Protocols: Treatment approaches for a wrist bursa abscess focus on draining the accumulated pus and addressing the infection. Common methods include: - **Incision and drainage:** a minor surgical procedure to release the pus - **Antibiotic therapy:** prescribed based on the identified organism - **Rest and immobilization:** to reduce strain on the wrist - **Elevating the wrist:** to decrease swelling - **Monitoring and follow-up:** to ensure proper healing and prevent recurrence In some cases, physical therapy may be recommended post-treatment to restore wrist function and strength. Proper wound care and hygiene are vital to prevent reinfection.