A 48-year-old woman presents to her primary care physician with complaints of pain and numbness of her right hand for the past month. The patient describes the pain as a burning sensation that wakes her up from sleep at night. She also experiences pain and numbness along the first three fingers of her right hand while unscrewing tight bottles. She used to work as a banker, spending several hours working on her computer. She quit her job a year ago to spend more time with her family. She has no complains of recent trauma, fever, or other joint pains. She does not drink alcohol, smoke cigarettes, or use illicit drugs. She does not take any medications currently. Vital signs are normal. On physical examination, pain is reproduced by asking her to flex her wrist at 90 degrees.
Which of the following can be used to confirm the most likely diagnosis?
- A) Computed tomography (CT) angiography of upper limb vessels
- B) Nerve conduction studies
- C) Serum uric acid
- D) X-ray of the cervical spine
- E) X-ray of the wrist