Anzalotta J
Bol Asoc Med P R. 1989 Nov;81(11):425-6.
From January 1, 1988 to June 30 1989, 486 cases of transrectal prostatic ultrasound were done at San Pablo Hospital. These patients had been referred by the urologist and attending physician due to abnormal digital prostatic examination such as a palpable nodule, an enlarged prostate or prostatic induration. The lesions that have been diagnosed by transrectal prostatic ultrasound include cancer, prostatitis, benign prostatic hypertrophy, cyst, abscess, hematomas and calcifications. From the total of 486 cases studied, 72 patients showed low density lesions in the peripheral zone. Thirty-seven of these 72 cases proved to be malignant for an average of 51.4%. Transrectal prostatic sonography can be easily performed in 10 to 15 minutes. The prostate lesions mentioned above can easily be diagnosed using a short focus 7 MHz transrectal transducer. Prostatitis and early carcinoma present a similar appearance on ultrasound that can be differentiated by transrectal needle biopsy of the prostate which can be sonographically guided with ease using the same equipment on an outpatient setting.
1988年1月1日至1989年6月30日，圣巴勃罗医院共进行了486例经直肠前列腺超声检查。这些患者因前列腺指检异常，如可触及结节、前列腺肿大或硬结，由泌尿科医生和主治医生转诊而来。经直肠前列腺超声诊断的病变包括癌症、前列腺炎、良性前列腺增生、囊肿、脓肿、血肿和钙化。在总共研究的486例病例中，72例患者外周区出现低密度病变。这72例病例中有37例被证实为恶性，平均占51.4%。经直肠前列腺超声检查可在10至15分钟内轻松完成。使用短焦距7兆赫经直肠探头可轻松诊断上述前列腺病变。前列腺炎和早期癌在超声上表现相似，可通过经直肠前列腺穿刺活检进行鉴别，在门诊环境中使用同一设备可轻松进行超声引导。
