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肾上腺活检后出血是干扰MRI对前列腺癌定位的最常见的原因。为评价MR波谱成像改善干扰的作用,作者对组织学诊断前列腺癌,并在T_1WI上确定有活检后出血(共135个出血部位)的42例作了MRI和MR波谱研究。年龄49～77岁,其中12例(29个出血部位)在MRI前已用激素治疗,MRI距活检时间为4～138天。用1.5T体线圈和直肠内线圈,结合用骨盆相控阵线圈接受信号。
Bleeding after adrenal biopsy is the most common cause of interference with the location of MRI for prostate cancer. To assess the role of MR spectroscopy in improving the interference, the authors performed MRI and MR spectroscopic studies of 42 patients histologically diagnosed with prostate cancer and confirmed post-biopsy (totaling 135 sites of hemorrhage) on T 1 WI. Aged 49 to 77 years old, of which 12 (29 bleeding sites) had been treated with hormone therapy before MRI, MRI from the biopsy time of 4 to 138 days. With 1.5T body coil and rectal coil, combined with pelvis phased array coil to accept the signal.