Abstract
Introduction. The purpose of the investigation is to systematize MRI protocols for primarily identified malignant masses in women’s pelvis. Materials and methods . The retrospective analysis included 1.5 T MRI of 530 women’s pelvis. The analysis included uterine cervical cancer, uterine corpus malignancy, ovarian cancer and rectal cancer. Three MRI oncology experts, with over 5 years of experience, have performed a retrospective analysis of scanning protocols and their significance in identifying local extent of metastatic lesion. Results and discussion. In rectum cancer, corpus uteri or uterine cervical cancer MRI is used as a method to assess local extent, pelvic lymph nodes and, in some cases, paraaortic lymph nodes. The authors have suggested MRI protocols to solve these problems. The authors discuss the MRI scanning protocol for primarily identified neoplasms in rectum, uterus, uterine cervix and ovaries. It also considers the application of necessary sequences, details of useful axis with indication of evaluated structures. Conclusions. The complex application of different methods improves diagnostic significance for multiparametric pelvic MRI in female patients. In experts’ opinion, the complex implementation of diffusion methods and dynamic contrast enhancement significantly improve the results of traditional MRi scanning for ovarian neoplasms and uterine corpus cancer. Different contrast methods do not provide necessary information for primarily identified colorectal cancer and cervical uterine cancer.
Highlights
The purpose of the investigation is to systematize MRI protocols for primarily identified malignant masses in women’s pelvis
Corpus uteri or uterine cervical cancer MRI is used as a method to assess local extent, pelvic lymph nodes and, in some cases, paraaortic lymph nodes
The authors discuss the MRI scanning protocol for primarily identified neoplasms in rectum, uterus, uterine cervix and ovaries. It considers the application of necessary sequences, details of useful
Summary
Цель настоящего исследования — систематизация протоколов магнитно-резонансной томографии (МРТ) при первично выявленных злокачественных образованиях органов таза у женщин. Включены злокачественные новообразования шейки матки, тела матки, яичников, прямой кишки. При впервые выявленном раке кишки, тела и шейки матки МРТ выступает как метод для оценки локальной распространенности и оценки тазовых и в некоторых случаях парааортальных лимфатических узлов. В работе обсужден протокол МРТ при впервые выявленном новообразовании прямой кишки, раке тела матки, рака шейки матки, рака яичников. Комплексное применение различных методик позволяет улучшить диагностическую значимость мультипараметрической МРТ органов таза у женщин. Совместное применение диффузионных методик и динамического контрастирования существенно дополняет результаты традиционной МРТ таза при образованиях яичников, раке тела матки. Ключевые слова: МРТ, рак шейки матки, рак тела матки, рак яичников, рак прямой кишки. Систематизация протокола магнитно-резонансной томографии у женщин с первично-выявленными злокачественными новообразованиями органов таза // Лучевая диагностика и терапия. SYSTEMATIZATION OF THE MAGNETIC RESONANCE PROTOCOL FOR PRIMARILY IDENTIFIED PELVIC MALIGNANT
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