Brem Rachel F, Petrovitch Ivan, Rapelyea Jocelyn A, Young Heather, Teal Christine, Kelly Tricia
Breast Imaging and Intervention, Department of Radiology, The George Washington University, Washington, DC, USA.
Breast J. 2007 Sep-Oct;13(5):465-9. doi: 10.1111/j.1524-4741.2007.00466.x.
The purpose of this study was to compare the sensitivity and specificity of breast-specific gamma imaging (BSGI) using a high-resolution breast-specific gamma camera and magnetic resonance imaging (MRI) in patients with indeterminate breast findings. Twenty-three women with an indeterminate breast finding that required BSGI and MRI as deemed necessary by the interpreting radiologist or referring physician were included. MRI was performed on a GE 1.5T scanner and BSGI was performed on a Dilon high-resolution breast-specific gamma camera. All imaging findings were correlated with pathologic diagnosis. Thirty-three indeterminate lesions were evaluated in the study. There were a total of nine pathologically confirmed cancers. There was no statistically significant difference in sensitivity of cancer detection between BSGI and MRI. BSGI demonstrated a greater specificity than MRI, 71% and 25%, respectively. BSGI has equal sensitivity and greater specificity than MRI for the detection of breast cancer.
本研究的目的是比较使用高分辨率乳腺专用伽马相机的乳腺专用伽马成像（BSGI）和磁共振成像（MRI）对乳腺检查结果不明确的患者的敏感性和特异性。纳入了23名乳腺检查结果不明确的女性，经解读放射科医生或转诊医生认为有必要进行BSGI和MRI检查。MRI在GE 1.5T扫描仪上进行，BSGI在Dilon高分辨率乳腺专用伽马相机上进行。所有影像学检查结果均与病理诊断相关。本研究共评估了33个不明确的病变。共有9例经病理证实的癌症。BSGI和MRI在癌症检测敏感性方面无统计学显著差异。BSGI的特异性高于MRI，分别为71%和25%。在乳腺癌检测方面，BSGI与MRI具有相同的敏感性且特异性更高。
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