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3.
Actas urol. esp ; 32(9): 904-907, oct. 2008.
Article in Es | IBECS | ID: ibc-67815

ABSTRACT

Objetivo: La citología de orina se ha considerado la técnica de elección para el cribado de carcinoma vesical. La existencia de otros métodos diagnósticos adicionales, han puesto en duda su utilidad. Aportamos un estudio comparativo cito-histológico para comprobar su valor. Método: Hemos realizado un estudio retrospectivo de 109 biopsias vesicales en relación con los diagnósticos citológicos previos. Todas las citologías eran de micción espontánea, procesadas por citocentrifugación y teñidas con Papanicolaou. Resultados: Encontramos 70 casos verdaderos positivos, y 24 casos verdaderos negativos, consiguiendo una sensibilidad del 97% y una especificidad del 96-100%. Destacando que 12 casos positivos tenían la primera cistoscopia y biopsia negativa, diagnosticándose la neoplasia en la segunda biopsia. Conclusiones: Los pacientes con citologías de orina claramente positivas, que no se confirman en una primer estudio citoscópico, deben ser seguidos, para identificar una posible neoplasia vesical o de vías urinarias altas. La citología de orina puede seguir considerándose como una técnica de elección para el cribado y control de neoplasia vesical (AU)


Objectives: Traditionally, urine cytology has been considered as the gold standard for bladder cancer screening. However, new methods are playing new roles in these cases. In order to assess the value of cytology of voided urine we performed one comparative study between cytology and biopsy. Methods: We retrospectively analyzed the results of urine cytology and biopsy follow-up in 109 patients. All cytologies were from voided urine. They were cytocentrifuged and stained with Papanicolaou stain. Results: We found 70 true positive cases and 24 true negative cases. Sensitivity was calculated to be 97% and specifity 96-100%. 12 cases had the first cystoscopy test and biopsy negative, as the cancer was diagnosed in the second biopsy. Conclusions: Patients with clearly positive urine cytology, which was not confirmed in a first cystoscopic study, should be carefully followed up to identify a possible bladder or upper urinary tract cancer. The urine cytology still has a significant role as the gold standard for bladder cancer screening (AU)


Subject(s)
Humans , Male , Female , Urinary Bladder Neoplasms/diagnosis , Cytological Techniques/methods , Cytological Techniques/trends , Urine/cytology , Biopsy/methods , Carcinoma/complications , Carcinoma/pathology , Sensitivity and Specificity , Cystoscopy/methods , Cystoscopy/trends , Urinary Bladder/cytology , Urinary Bladder/pathology , Urinary Bladder/surgery , Biopsy/statistics & numerical data , Biopsy/trends , Retrospective Studies
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