3. 49歲女姓患者,二年前開始發現雙側手指在冬天會變白後變紫。最近三個月雙手有關節酸痛及僵硬,嘴巴張開受限及吃東西有時會嗆到。在懷疑罹患自體免疫疾病之下,請問下列的何種自體抗體檢查對疾病的診斷最有幫助?
(A) Anti-double stranded DNA
(B) Anti-Sjogren's-syndrome-related antigen A
(C) Anti-cyclic citrullinated peptide antibody (Anti-CCP antibody)
(D) Anti-topoisomerase 1
(E) Anti-phospholipid