試題詳解

7. A 61-year-old woman presents to the pain clinic with a chief complaint of left shoulder and arm pain 3 years after undergoing radiation therapy for breast cancer. Physical examination reveals lymphedema of the left axilla with noticeable skin changes. Examination of the left supraclavicular area precipitates a sharp pain that radiates down her left arm. Which of the following is her likely diagnosis?
(A) Tumor metastasis
(B) Cervical radiculopathy
(C) Reflex sympathetic dystrophy
(D) Thrombangitis obliterans
(E) Radiation-induced plexopathy