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The false negative rate was lower in the SS Figure 4.

La crétinisation par la culture

The laboratory is a private practice, serving a low-risk population in Mexico City, Mexico. Results Of the cases, ASs were found in This could be justified ginecologiz part by the presence of an atrophic cervix, a small TZ, or by the squamocolumnar junction not being visible.

By excluding CS from cervical samples, the sensitivity could be improved and the false negative rate could be reduced. There were no false positive results in the SS.

Solomon D, Nayar R. J Low Gen Tract Dis. In this study, we analyzed samples obtained with or without cleaning the cervix, and compared their contents in order to determine the sensitivity and specificity of these two methods.

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On the other hand, another study by Hans et al. Procedure for removing the cervical mucus. In conclusion, it is currently not clear for the physicians and personnel who are involved in sampling the cervix what the optimal way to handle CS is. The sensitivities for CS and SS were A Resource Pack for Trainers.

The composition of these secretions is reflected in the cytology specimens, and conventional cytology slides are usually abundant in inflammatory ginecologiaa. However, none of these studies analyzed the content of the CS in order to clarify whether there is a real reason to perform cervical cleaning or not.


Accordingly, the authors concluded that the cervix should be wiped at the discretion of the clinician. In patients with abundant CS, this procedure was repeated until the surface of the cervix was clean but still moist. However, when the cervix is cleaned using a cytobrush, the abundance of the mucus becomes apparent, and these Ginecologja samples were found to have less epithelial cells and more inflammatory reactions than the samples obtained from the gihecologia cervix.

To date, no analysis on what the mucus contains from the cervix has been performed. Principles and practice of colposcopy.

La crétinisation par la culture pdf

Cervical cancer screening in the 21st century, is it time to retire PAP Smear? CS was removed and compared with the clean, second sample SS using in both liquid-based cytology. This case was diagnosed as vaginal condyloma, and the biopsy showed characteristic papillary and koilocytic changes. Based on our results herein, we believe that cervical samples containing CS are not optimal, ginecologa the rate of ASs is low. The SS resulted in a higher proportion broz adequate samples being obtained Statistical analysis The results are expressed in percentages and frequencies for all parameters.

The samples should be obtained by trained personnel, including gynecologists, and ideally, the sample should be taken from the transformation zone TZ [ 23 ]. Disclosure of conflict of interest None. CIN was detected in 5.

Thus, gently removing the CS without touching the cervical surface should be recommended in any procedure for obtaining a cervical cytology sample. Cervical secretions CS are always present in variable proportions, and when cleaning the cervix, better samples may be obtained.

All patients referred to the laboratory for a second opinion had previous CIN detected 1 to 6 months earlier. Materials and methods Subjects Out of consecutive patients who attended our laboratory for cytology and colposcopy between June and March Please noovak our privacy policy. False negative frequency in the cervical secretion CS samples and clean, second samples SS.


Am J Obstet Gynecol. Examples of different cervix, both with large ectopia, abundant mucus, with the brush, showing how to clean it getting the mucus to the top in A and left in B. Cervical cleaning beos Pap smear quality.

A modified terminology for cervical intraepithelial neoplasia. Some cases appeared very clean even if the surface was covered with abundant transparent mucous; and hence, at first sight, some gynecologists or colposcopists may decide not to clean the surface.

When obtaining cervical samples, whether the samples are taken from the transformation zone and whether abnormal cells are missing must be considered. The reference standard for the positive true diagnosis ginevologia the combined results of the biopsy and p16 staining, whereas a true negative diagnosis was based on negative results for CIN in the biopsy [ 16 ] and negative p16 staining [ 1718 ]. One positive case detected in the CS was not detected in the SS.

Abstract Sensitivity of cervical cytology is suboptimal, especially in developing countries such as Mexico, despite available guidelines aimed at improving this. Author information Article notes Copyright and License information Disclaimer.

All patients provided informed consent, and an external ethical committee approved the study ginecologja. All cases with abnormal previous cytology, regardless of the colposcopy diagnosis, underwent biopsy. Cervicovaginal cytology based on the Papanicolaou technique: