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Vol. 34. Issue 4.
Pages 386-389 (January 2010)
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Vol. 34. Issue 4.
Pages 386-389 (January 2010)
Inverted urothelial papilloma: Our clinical experience
Papiloma invertido urotelial: nuestra experiencia clínica
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I. Gómez Garcíaa,
Corresponding author
nachogomezgarcia@ymail.com

Author for correspondence.
, E. Rubio Hidalgoa, A. López García Morenoa, E. Buendía Gonzáleza, N. García Bethancourta, E. Bolufera, A. Sampietro Crespoa, J.L. Oladreb, A. Gómez Rodrígueza
a Urology Service, Hospital Virgen de la Salud, Toledo Hospital Complex, Toledo, Spain
b Anatomopathology Service, Hospital Virgen de la Salud, Toledo Hospital Complex, Toledo, Spain
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Abstract

A study of inverted urothelial papilloma in our area.

Material and methods

A study was conducted of inverted urothelial papillomas diagnosed at our center from January 1994 to December 2007. This was a retrospective and prospective study with a descriptive statistical analysis: urological history, reason for consultation, diagnostic methods, tumor focality, follow-up method, prognosis, and recurrence. SPSS software version 13 was used for statistical analysis.

Results

Fourteen inverted papillomas were diagnosed in the study period in patients with a median age of 59 years. The presenting complaint was hematuria in 7 patients (50%), followed by low back pain in 2 patients (14.28%), and irritative syndrome in 1 patient (7.14%). The tumor was incidentally diagnosed in 4 patients (28.5%). A single relapse/recurrence occurred in a low-grade tumor during the follow-up period.

Conclusions

Prognosis, recurrence, and malignant potential of this tumor are unclear, and controversy exists in the literature on this subject. Thus, although we think this is a benign tumor, we advise follow-up as if it were a low-grade urothelial tumor.

Keywords:
Inverted papilloma
Urothelial neoplasm
Current status
Resumen

Estudio de los papilomas invertidos uroteliales en nuestra área.

Material y métodos

Realizamos un estudio de los papilomas invertidos uroteliales diagnosticados en nuestro centro entre enero de 1994 y diciembre de 2007. Se realizó un estudio retrospectivo y prospectivo con análisis estadístico descriptivo: antecedentes urológicos, motivo de consulta, método diagnóstico, focalidad tumoral, método de seguimiento, pronóstico y recurrencia. Se realizó un estudio estadístico con el software SPSS versión 13.

Resultados

En el período de estudio se han diagnosticado 14 papilomas invertidos, con una mediana de 59 años. El motivo de consulta fue hematuria en 7 enfermos (50%), seguido de dolor lumbar en 2 enfermos (14,28%) y de síndrome irritativo en 1 enfermo (7,14%), fue diagnosticado en 4 enfermos (28,5%) de manera incidental. Durante el período de seguimiento sólo se produjo una recidiva/recurrencia en un tumor de bajo grado.

Conclusiones

El pronóstico, la recurrencia y el potencial de malignización de este tumor no están claros, existiendo controversias en la literatura médica mundial, hecho por el cual, aunque desde nuestro punto de vista su naturaleza es benigna, aconsejamos un seguimiento como si se tratase de un tumor urotelial de bajo grado.

Palabras clave:
Papiloma invertido
Neoplasia urotelial
Estado actual

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