Studies on the presence of T. vaginalis were performed in 387 women with particular reference to the distribution of T. vaginalis in the uro-genital tract. The samples were collected from the urethra [c], paraurethral glands [g], vagina [p] external orifice and canal of the uterine cervix [uk]. In 118 women, the uterus was excised, in 100 of them along with adnexa. In the operation room, the material was take in turn from each dissected oviduct and uterine corpus, as well as from the canal of the uterine cervix (non-dissected) without exceeding the external orifice. The diagnostic specimen from all above given portions of the reproductive organ was collected by means of sterile wet swabs and then placed on the Johnson-Trussel medium, as modified by Stępkowski. Parallely, the examinations were concerned with direct preparations in 0.9% NaCl, intravitally, and with stained sections. Among the total number of 387 women, 167 of them showed trichomonadosis as follows: c-3-1.7%; g-5-3.2%; p-3-1.7%; k-o-0%; c, g, p, uk-22-13.1%; c, g, p-115-68.8%; c, g-5-3.2%; c, p-1-0.6%; g, p–12-7.7%. The results of the topographic studies show that T. vaginalis may be confined to particular segments of the female reproductive system. The focal invasion confined to the urethra, paraurethral glands or vagina is not common, since -according to the tabular data-it occurs only in 1.7-3.2% of cases. On the other hand, the highest incidence was found for the simultaneous multifocal invasion, i.e. 68.8% in c, g, p and 13.1% in c, g, p, uk. Out of 32 operated patients, in whom trichomonadosis was demonstrated before the intervention, only one showed the presence of T. vaginalis in the corpus and canal of the uterine cervix. In the remaining patients affected by trichomonadosis and in 80 women operated upon without any evidence of trichomonadosis in the preoperative period, no T. vaginalis was encountered in the excised uterus and adnexa.
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