Magnetic Resonance-Guided Gynecologic Brachytherapy

被引：10

作者：

Damato, Antonio L. ^{[1
]}

Viswanathan, Akila N. ^{[1
]}

机构：

[1] Brigham & Womens Hosp, Dept Radiat Oncol, Boston, MA 02115 USA

来源：

MAGNETIC RESONANCE IMAGING CLINICS OF NORTH AMERICA | 2015年 / 23卷 / 04期

关键词：

Gynecology; Brachytherapy; MR imaging; Image guidance; Quality assurance; CERVICAL-CANCER BRACHYTHERAPY; HIGH-DOSE-RATE; SOCIETY CONSENSUS GUIDELINES; LOCALLY ADVANCED-CARCINOMA; GEC-ESTRO RECOMMENDATIONS; AMERICAN BRACHYTHERAPY; INTERSTITIAL BRACHYTHERAPY; APPLICATOR RECONSTRUCTION; RADIATION-THERAPY; PDR BRACHYTHERAPY;

D O I：

10.1016/j.mric.2015.05.015

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

Gynecologic brachytherapy consists of positioning radioactive sources in catheters implanted inside a tumor. Magnetic resonance (MR) imaging provides tumor visibility and is ideal for image-guided insertions and treatment planning. It is important at first insertion and during treatment of large residual tumors potentially needing interstitial needles. Clear visibility of the tumor and the catheters is necessary for MR-guided brachytherapy. T2 sequences are ideal for tumor visibility but catheter visualization may be difficult. Active tracking and alternative sequences to improve catheter visibility have been explored. The use of digital applicator models, dummy markers, and CT-MR fusion is reviewed.

引用

页码：633 / +

页数：11

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