Cytological Cycle of the Urinary Sediment and Its Parallelism With the Vaginal Cycle

Castillo, Enrique B. Del; Argonz, J; Mainini, C Galli

doi:10.1210/jcem-8-1-76

Cited by 48 publications

(10 citation statements)

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“…Raz et al 53 determined that there was an appreciable vascular component in the production of the resting urethral pressure in female dogs, which accounted for approximately one third of the resting urethral closure pressure. Finally, in a study 54 in female humans, estrogens produced a squamous response with proliferation, cornification, and desquamation of the urethral epithelium; the urinary sediment, collected in various phases of the menstrual cycle, reflected these changes and paralleled the characteristic cytologic changes seen in vaginal smears obtained simultaneously. 54 Most interestingly in our study, the significantly lowest MUP and MUCP values were detected during estrus and early diestrus; these phases are characterized by a change in hormonal balance with a decrease in plasma estrogen concentration and an increase in plasma progesterone concentration, compared with the values of the other phases of the cycle.…”

Section: Discussionmentioning

confidence: 88%

“…Finally, in a study 54 in female humans, estrogens produced a squamous response with proliferation, cornification, and desquamation of the urethral epithelium; the urinary sediment, collected in various phases of the menstrual cycle, reflected these changes and paralleled the characteristic cytologic changes seen in vaginal smears obtained simultaneously. 54 Most interestingly in our study, the significantly lowest MUP and MUCP values were detected during estrus and early diestrus; these phases are characterized by a change in hormonal balance with a decrease in plasma estrogen concentration and an increase in plasma progesterone concentration, compared with the values of the other phases of the cycle. Progesterone enhances the β-adrenergic effects on the urethra, 31,32 producing a decrease in the urethral smooth muscle tone.…”

Section: Discussionmentioning

confidence: 88%

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Influence of the estrous cycle on urodynamic and morphometric measurements of the lower portion of the urogenital tract in dogs

Hamaide¹,

Verstegen²,

Snaps³

et al. 2005

ajvr

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Section: Discussionmentioning

confidence: 88%

Section: Discussionmentioning

confidence: 88%

Influence of the estrous cycle on urodynamic and morphometric measurements of the lower portion of the urogenital tract in dogs

Hamaide¹,

Verstegen²,

Snaps³

et al. 2005

ajvr

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show abstract

“…The beneficial effects of estrogen on epithelial proliferation and maturation are well documented; however, there are limited data on its effects on sensorimotor function in postmenopausal women. [17][18][19] Helstrom et al found no differences in vibratory thresholds during different phases of the menstrual cycle. Nor did they find a correlation between vibratory thresholds and serum estradiol levels.…”

Section: Discussionmentioning

confidence: 98%

Effects of age, menopause, and comorbidities on neurological function of the female genitalia

et al. 2004

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The aim of this study was to investigate the effects of age, menopause, and comorbidities on neurological function of the female genitalia using a noninvasive, validated technique. In all, 58 consecutive women were enrolled in the study. Biothesiometry was performed at five genital sites and one peripheral site with S2 dermatome distribution. Kruskal-Wallis one-way ANOVA on ranks was used to evaluate the relationship between age and vibratory sensation. Bivariate and regressional analyses were performed to evaluate the effects of age, menopause and comorbidities on genital sensation. The mean age was 44.6 þ 14.8 y (range 20-78 y). Vibration thresholds increased with advancing age at all six sites. Multilinear regression analysis indicated that menopause and increasing age negatively affect sensation. History of herniated lumbar disc, vaginal delivery, and diabetes variably affected genital sensation. There is a significant increase in vibration thresholds (indicating worsening neurological function) in women as they age and undergo menopause. Biothesiometry is a technique for evaluating genital neurological function in women with coexisting morbidities.

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“…There may be a difference in end-organ response so that the cervix is less sensitive to any alteration in circulating oestrogen level or perhaps the difference is due to the fact that the cervix is mullerian in origin and the vagina develops from the urogenital sinus. Although Del Castillo et at. (1948), Lencioni (1953, and Solomon et al (1958) suggested that urinary sediment smears had definite advantages over a lateral vaginal wall smear, the procedure for producing a satisfactory smear is more time consuming and is less likely to produce a satisfactory smear in postmenopausal women.…”

Section: Discussionmentioning

confidence: 99%

Effects of the climacteric and sequential mestranol and norethisterone on the cervix and genital tract

Paterson

Allen

Jordan

1982

BJOG

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Summary. The effects of the climacteric and sequential mestranol and norethisterone on the epithelium of the cervix and genital tract were determined in 12 postmenopausal women. Before treatment the squamocolumnar junction was visible in only six of the 12 women, but after treatment with sequential mestranol and norethisterone the squamocolumnar junction became visible due to a minor degree of eversion. Mucus, which was always absent before therapy, was always seen afterwards and any atrophic effects were reversed by therapy within 3 months. The effects of oestrogen and progestogen deficiency were more easily seen by scanning electron microscopy (SEM) than with conventional histology. Before treatment six of the nine women studied by SEM had a cervix covered by mature squamous epithelium, but after therapy all the women had mature squamous epithelium. The pretreatment lateral vaginal wall and urinary sediment smears showed mainly immature squamous cells; this correlated poorly with the histology and SEM of the cervix. There was a good correlation between urinary sediment and lateral vaginal wall smears both before and after treatment.

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Cytological Cycle of the Urinary Sediment and Its Parallelism With the Vaginal Cycle

Cited by 48 publications

References 0 publications

Influence of the estrous cycle on urodynamic and morphometric measurements of the lower portion of the urogenital tract in dogs

Influence of the estrous cycle on urodynamic and morphometric measurements of the lower portion of the urogenital tract in dogs

Effects of age, menopause, and comorbidities on neurological function of the female genitalia

Effects of the climacteric and sequential mestranol and norethisterone on the cervix and genital tract

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