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Thumb Pain That Keeps Getting Worse

Pain at the base of the thumb is a common cause of hand pain. Two of the most common causes of thumb pain are de Quervain’s tenosynovitis and carpometacarpal osteoarthritis. De Quervain’s tenosynovitis is a tendinosis of the abductor pollicis longus and extensor pollicis brevis, localized over the radial aspect of the wrist. De Quervain’s tenosynovitis is commonly diagnosed with physical examination and does not require imaging studies. Although physical examination is helpful to identify patients with carpometacarpal osteoarthritis, the definite diagnosis requires imaging. For both diagnoses, the initial treatment is conservative, consisting of bracing, rehabilitation, and, sometimes, injections. In cases that fail conservative management, surgical options may be indicated.