The following results was made in 24 cases which w e re represented in the Table. Preventive vasotomy at scrotal region was done, and 2-5 ccm of contrast media was injectedt ranscanaliculallya nd roentgenogramw as taken. In the case of ureteral stone and ureteral str i c ture in the lower part of ureter, topographical relationship of the lesion to spermatic cord was evidently demonstrated. In three cases of prostatic hypertrophy, dilatationa nd upward d i slocationo f seminal vesicles, as well as an elongation of ejaculatory duct were detected. Whenc arcinomatousi nfiltration was present, distinct d eformationa nd dislocationo f the vesicles were verified in the cases of vesical, prostatic and rectal carcinoma. However in the cases of early stage, still cancer was restricted in small lesion, spermatocystogram doesn ot give above-mentioneidn formation. Then we have concludedth a t , spermatocystogramg ives valuablei nformationa s to the lesion of adjacent organs of the seminal vesicles.
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