为加深对前列腺癌超声声像图特征的了解，我们总结了近几年来探查的刀例前列腺癌的超声诊断，现报道如下。l资料与方法l．互检查对象为自lpol年11月一lop年6月间住院病人共对例，年龄56－82岁，平均70岁。均经B超检查，其中四例行经直肠B起检查。13例做血清前列腺特异性抗原（P In order to deepen the understanding of the features of ultrasonography of prostate cancer, we summarize the ultrasound diagnosis of knife-edge prostate cancer explored in recent years and are reported as follows. l data and methods l. Mutual inspection of objects from lpol in November a lop June inpatients were co-patients, aged 56-82 years, mean 70 years. B ultrasound examination, of which four cases through the rectum B examination. 13 cases of serum prostate specific antigen (P