卵巢肿瘤是妇科常见的疾病,因为卵巢位于盆腔内,无法直接窥视,而且早期又无症状,缺乏较好的早期诊断和鉴别的方法,一旦发现为恶性肿瘤,往往已属晚期病变。如何进行早期诊断和鉴别卵巢恶性肿瘤是我们目前临床治疗肿瘤病人的关键。本文利用生物物理原理,采用核磁共振测定血浆中甲基 Ovarian cancer is a common gynecological disease, because the ovary is located in the pelvic cavity, can not directly peep, and early asymptomatic, the lack of a good early diagnosis and identification of the method, once found to be malignant tumors, are often already advanced disease. How to diagnose early and identify ovarian cancer is the key to our current clinical treatment of cancer patients. In this paper, the use of biophysical principles, the use of nuclear magnetic resonance determination of plasma methyl