作者
Stefan OR Pfleiderer, Steffen Sachse, Dieter Sauner, Christiane Marx, Ansgar Malich, Susanne Wurdinger, Werner A Kaiser
发表日期
2004/6
期刊
Breast Cancer Research
卷号
6
页码范围
1-7
出版商
BioMed Central
简介
Background
The aim of the present article is to investigate effects of hormone replacement therapy (HRT) on contrast medium enhancement patterns in postmenopausal patients during magnetic resonance mammography (MRM).
Materials and methods
Two hundred and fifteen patients receiving hormonal medication were divided into four groups: 150 patients with 1 MRM during HRT (group A), 13 patients with 2 MRMs under HRT (group B), 30 patients with 1 MRM during HRT and 1 MRM after HRT withdrawal (group C), and 22 women with 1 MRM after HRT withdrawal (group D). Dynamic MRM was performed at 1.5 Tesla. Signal intensity changes were characterized by five time curves: minimal enhancement (type I), weak continuous enhancement (type II), strong continuous enhancement (type III), and a steep initial slope followed by a plateau …
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