磁振造影檢查在子宮頸癌分期方面的應用

Application of Magnetic Resonance Imaging in Staging of Cervical Cancer

周安琪(An-Chi Chou)；胡健山(Chien-Shan Hu)；王基誠(Chi-Chen Wang)；陳素秋(Su-Chiu Chen)；詹雅婷(Ya-Ting Jan)

磁振造影 ； 子宮頸癌 ； 分期 ； 電腦斷層 ； Magnetic Resonance Imaging ； Cervical Cancer ； Staging ； Computed Tomography

台灣應用輻射與同位素雜誌

14卷4期（2018 / 12 / 01）

1637 - 1645

繁體中文

磁振造影(Magnetic Resonance Imaging, MRI)檢查提供子宮頸癌患者在分期和追蹤上有明確指標，故介紹了國際聯邦婦產科癌症分期系統(International Federation of Gynecology and Obstetrics, FIGO)、磁振造影檢查和治療方式三者的關聯。通常子宮頸癌分期在IA以下的腫瘤，在MRI影像上是看不到的，低於IIA以下，除了腫瘤直徑＞4cm(IB或IIA)，都是利用外科手術的治療方式，分期IIB、IIB以上或腫瘤直徑＞4cm的子宮頸癌，則是利用放射治療或結合化學治療的治療方式來處理。分期的正確與否，直接影響了整個治療的方向、策略和選擇，在子宮頸癌方面，MRI不論在腫瘤大小、子宮肌層、子宮附近、骨盆側壁、器官侵犯，或是淋巴轉移等，是比電腦斷層(CT)的檢查具有更高的對比解析度，而且不具輻射線，希望能為子宮頸癌患者的治療策略和預後追蹤，提供一項重要的辨別檢查。

In order to provide a clear indication of the stage and tracking of cervical cancer patients by magnetic resonance imaging (MRI), the association between FIGO (International Federal Obstetrics and Gynecology Cancer Staging System), magnetic resonance imaging and treatment methods is introduced. Tumors with a stage of cervical cancer below IA are generally invisible on MRI images, below IIA, except for tumors ＞ 4 cm (IB or IIA), which are surgically treated. Cervical cancer with a stage IIB, IIB or above or a tumor diameter ＞ 4 cm is treated by radiotherapy or a combination of chemotherapy. The correctness of the staging directly affects the direction, strategy and choice of the whole treatment. In cervical cancer, MRI is in the size of the tumor, myometrium, uterus, pelvic wall, organ invasion, or lymphatic metastasis. Compared with computed tomography (CT) examination, it has a higher contrast resolution and no radiation. It is hoped to provide an important discriminating test for the treatment strategy and prognosis of cervical cancer patients.

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