血精液症の研究

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Sixty-seven cases of hematospermia and 66 autopsy specimens of the normal seminal vesicle were subjected to investigation in an attempt to elucidate the mechanism of its development which has hitherto remained unknown. 1) From the clinical symptoms, present condition and urological laboratory findings of the 67 cases of hematospermia, it was found that 13 cases of them had sclerosis of the vesical sphincter and 2 cases benign prostatic hypertrophy, all of them showing a distended seminal vesicle on the X-ray film. 2) On the 66 autopsy specimens taken from males ranging 11 to 81 years of age with an apparently normal lower urinary tract and genital organ, one of the seminal vesicles was studied histologically and the other by means of microdissection. Histologically, the wall of the seminal vesicle was quite compact and the blood vessels were abundant in the surrounding tissue and adventitious coat of the vesicle but unexpectedly scanty in the submucous coat. Whereas microdissection revealed a number of vessels penetrating almost rectangularly from the middle of the muscular layer into the submucous layer. On the basis of these findings, it is speculated that the orifice of the ejaculatory duct grows narrower on account of a disease of the bladder neck, thus causing the pressure within the seminal vesicle to rise and the vesicle to distend. This results in direst pressure upon the blood vessels entering the submucous layer rectangularly until the vessels break and bleed.
社団法人日本泌尿器科学会の論文
1968-11-20

血精液症の研究

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