The Impact of Reduced Injected Radioactivity on Image Quality of Molecular Breast Imaging Tomosynthesis.-临床诊疗知识库

The Impact of Reduced Injected Radioactivity on Image Quality of Molecular Breast Imaging Tomosynthesis.

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作者：

Olivia, Sullivan；Zongyi, Gong；Kelly, Klanian；Tushita, Patel；Mark B, Williams

来源：

Breast imaging : 11th International Workshop, IWDM 2012, Philadelphia, PA, USA, July 8-11, 2012 : proceedings. International Workshop on Breast Imaging (11th : 2012 : Philadelphia, Pa.) 2012 年 7361卷

标签：

molecular breast imaging radiation dose tomosynthesis

This study's objective is to compare image quality in 3-D molecular breast imaging tomosynthesis (MBIT) with that in planar molecular breast imaging (MBI) over a range of breast radioactivity concentrations. Using gelatin and point source phantoms lesion contrast, lesion signal-to-noise ratio (SNR) and spatial resolution were compared for a range of lesion sizes and depths. For both MBI and MBIT, lesion contrast is essentially constant with changing activity while SNR decreases by a factor of 1.5 - 2 between 100

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