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Inicio Clínica e Investigación en Ginecología y Obstetricia Cáncer uterino en pacientes tratadas con tamoxifeno por un cáncer de mama
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Vol. 32. Issue 5.
Pages 204-208 (October 2005)
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Vol. 32. Issue 5.
Pages 204-208 (October 2005)
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Cáncer uterino en pacientes tratadas con tamoxifeno por un cáncer de mama
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J.I. Bermejoa, S. Iniestaa, T. Redondoa, I. Gallegob, M.C. García-Andradeb
a Servicio de Obstetricia y Ginecología. Hospital Universitario Santa Cristina. Madrid España
b Servicio de Anatomía Patológica. Hospital Universitario Santa Cristina. Madrid. España
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Resumen
Objetivo

Evaluar la incidencia de cáncer uterino en mujeres con cáncer de mama tratadas con tamoxifeno.

Material y método

Evaluamos a 463 mujeres que se trataron con 20 mg/día de tamoxifeno por una cáncer de mama dependiente de hormonas, con un seguimiento de 6 años.

Resultados

Detectamos 7 cánceres uterinos (1,55% de la población en estudio y 2,52/1.000 mujeres/año): 5 adenocarcinomas de endometrio, 1 tumor mulleriano mixto heterólogo y 1 sarcoma de la estroma endometrial. Sólo el crecimiento rápido de lo que creíamos un mioma uterino detectado por ecografía nos permitió el diagnóstico del sarcoma de la estroma endometrial; los otros 6 tumores se detectaron por la aparición de hemorragia vaginal, a pesar de realizarse controles anuales al grupo de estudio.

Conclusiones

Encontramos una mayor incidencia de cáncer uterino en mujeres con cáncer de mama tratadas con tamoxifeno, pero no representa el doble que en la población general. Hubo adenocarcinomas de endometrio principalmente, aunque encontramos también 2 sarcomas (un sarcoma de la estroma endometrial y 1 tumor mulleriano mixto heterólogo).

Abstract
Objective

To evaluate the incidence of uterine cancer in women with breast cancer who had been treated with Tamoxifen.

Material and methods

We evaluate 463 women who were treated with 20mg of Tamoxifen daily for a hormone dependent breast cancer, and followed up for 6 years.

Results

We detected 7 uterine cancers (1.55% of the study population and 2.52 ‰ women a year). Of these, 5 were endometrial carcinomas, a malignant heterologous mixed mesodermal tumour and one endometrial stromal sarcoma. Only the rapid growth of what we believed to be a uterine myoma, detected by ultrasound, allowed us to diagnose the endometrial stromal sarcoma. The other 6 tumours were detected by the appearance of vaginal bleeding, in spite of the annual controls carried out on the study group.

Conclusions

We find a higher incidence of uterine cancer in women with Tamoxifen treated breast cancer, but it is not the double of the general population. We found mainly endometrial carcinomas, although there were also 2 sarcomas (an endometrial stromal sarcoma and a malignant heterologous mixed mesodermal tumour).

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Copyright © 2005. Elsevier España S.L.. Todos los derechos reservados
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