Rybicki F J, Mulkern R V, Robertson R L, Robson C D, Chung T, Ma J
Department of Radiology, Brigham and Women's Hospital and Harvard Medical School, Boston, Mass 02115, USA.
AJNR Am J Neuroradiol. 2001 Oct;22(9):1798-802.
A new phase-correction algorithm for three-point Dixon (3PD) MR imaging allows on-line image reconstruction of three images per section: pure water, pure fat, and water plus fat. When combined with fast spin-echo acquisition, the sequence is suitable for routine MR imaging of the retrobulbar space. The 3PD pure water images have double the image signal-to-noise ratio of fast spin-echo inversion recovery images. The dramatic contrast-to-noise ratio of the 3PD pure fat images may offer improved lesion detection.
一种用于三点狄克逊(3PD)磁共振成像的新相位校正算法可实现每层面三幅图像的在线图像重建:纯水、纯脂肪以及水加脂肪图像。当与快速自旋回波采集相结合时,该序列适用于球后间隙的常规磁共振成像。3PD纯水图像的图像信噪比是快速自旋回波反转恢复图像的两倍。3PD纯脂肪图像显著的对比噪声比可能有助于提高病变检测能力。