問題詳情

38.下列的何種發現對診斷ankylosing spondylitis最有幫助？
(A)positive HLA-B27
(B)history of low back pain in old patients
(C)pain on motion during chest expansion
(D)symmetric sacroiliitis in X-ray films

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)