Differential Diagnosis for Wrist Swelling and Discomfort
- Single most likely diagnosis
- Tenosynovitis: This is the most likely diagnosis given the acute onset of wrist swelling and discomfort without any history of trauma. Tenosynovitis is an inflammation of the tendon sheath, which can cause swelling, pain, and stiffness in the affected area.
- Other Likely diagnoses
- Ganglion cyst: A ganglion cyst is a common cause of wrist swelling and discomfort, especially if it is located near the radial wrist. These cysts are usually benign and can cause discomfort, especially if they are large or become inflamed.
- Rheumatoid arthritis: Although less likely in a young patient without a history of autoimmune disorders, rheumatoid arthritis can cause wrist swelling and discomfort. The absence of fever and systemic symptoms makes this diagnosis less likely.
- Gout: Gout is another possible cause of acute wrist swelling and discomfort, especially if the patient has a history of hyperuricemia or kidney stones. However, gout typically presents with intense pain, redness, and swelling, which is not described in this case.
- Do Not Miss (ddxs that may not be likely, but would be deadly if missed.)
- Septic arthritis: Although the patient denies fever, septic arthritis is a medical emergency that requires prompt diagnosis and treatment. If left untreated, septic arthritis can lead to serious complications, including joint destruction and systemic infection.
- Osteomyelitis: Osteomyelitis is an infection of the bone that can cause swelling, pain, and discomfort in the affected area. Although less likely without a history of trauma or fever, osteomyelitis is a serious condition that requires prompt diagnosis and treatment.
- Rare diagnoses
- Sarcoidosis: Sarcoidosis is a rare autoimmune disorder that can cause wrist swelling and discomfort, among other symptoms. However, this diagnosis is unlikely without other systemic symptoms or a history of autoimmune disorders.
- Tumor: A tumor, such as a synovial sarcoma, is a rare cause of wrist swelling and discomfort. However, this diagnosis is unlikely without other symptoms, such as weight loss or night pain.