A Comparison Between Digital Examination and Per‐rectal Ultrasound in the Evaluation of the Prostate

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Abstract
Summary— Three hundred and fifty‐two patients have been examined by per‐rectal ultrasound and histological confirmation of the diagnosis was obtained in 242 cases. Per‐rectal ultrasound compared favorably with digital palpation both as a method of diagnosing prostatic cancer and also as a method of staging a primary tumour. Confirmation of the accuracy of this technique as a method of staging was gained by a study involving the use of cadaver material. Repeat examinations on patients with prostatic carcinoma have shown that per‐rectal ultrasound is an ideal method for monitoring response of the primary tumour to treatment.

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