MARCADORES PRONOSTICOS DE SOBREVIDA EN PACIENTES CON CANCER DE ENDOMETRIO EN EL NORTE DE NORUEGA

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La morfometría nuclear constituye un criterio objetivo con alto valor pronóstico que permite seleccionar las pacientes con mayor riesgo.
orbo9.jpg Autor:
a Ørbo
Columnista Experto de SIIC
Artículos publicados por a Ørbo
Recepción del artículo
5 de Febrero, 2004
Primera edición
23 de Junio, 2004
Segunda edición, ampliada y corregida
7 de Junio, 2021

Resumen
El propósito del estudio fue evaluar el valor pronóstico de las características morfométricas nucleares y la ploidía del ADN por citometría de flujo, junto con la profundidad de la invasión miometrial y la invasión vascular en cánceres endometriales de todos los estadios FIGO. Se estudiaron 123 mujeres (103 FIGO I, 8 FIGO II y 12 FIGO III y IV) del norte de Noruega. El seguimiento duró un mínimo de 7 años y un máximo de 19 años. La mediana de la edad de las pacientes fue de 62 años. La cirugía primaria fue llevada a cabo en el Hospital Universitario de Tromsø, o en 7 diferentes hospitales de referencia ubicados en la zona norte de Noruega, luego del diagnóstico de cáncer endometrial. Las investigaciones histológicas, morfométricas, flujocitométricas e inmunohistoquímicas se basaron en material de archivo embebido en parafina. La información respecto de los datos del seguimiento y la información clínica fueron obtenidas de las historias clínicas. Trece (10.6%) mujeres del grupo total (todos los estadios), pero sólo 3 (2.7%) de las pacientes con estadios FIGO I y II murieron por enfermedad localmente recurrente o metastática. El subestadio FIGO (p = 0.0006; riesgo relativo (OR) = 16.44, intervalo de confianza (CI) 95% = 3.36-80.45), la invasión vascular (p = 0.01, OR = 6.42, CI = 1.57-26.34) y el tamaño nuclear (p = 0.025, OR = 1.3, CI = 1.05-1.61) correlacionaron independientemente con las recurrencias en un análisis multivariado, pero el grado histológico y la ploidía del ADN no. Sin embargo, la invasión vascular fue poco reproducible, tanto entre observadores como para el mismo observador. En este estudio retrospectivo de los carcinomas endometriales en todos los estadios con seguimiento prolongado, las características del tumor primario, el perímetro nuclear y el estadio FIGO fueron de significación pronóstica, además de la poco reproducible invasión vascular.

Palabras clave
Cáncer endometrial, factores pronósticos, análisis de imágenes, estadio


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Abstract
To evaluate the prognostic value of nuclear morphometric features and DNA ploidy by flow cytometry next to depth of myometrial invasion and vascular invasion in endometrial cancer of all FIGO stages. A total of 123 women (103 FIGO I, 8 FIGO II, 12 FIGO III and IV) from northern Norway have been studied. The follow up was minimally 7 years and maximally 19 years. The median age of the patients was 62 years. The primary surgery was performed in the University hospital of Tromsø or in the seven different reference hospitals in the northern part of Norway after an endometrial cancer diagnosis. The histologic, morphometric, flowcytometric and immunohistochemical investigations are based on archival paraffin embedded material. The information regarding the follow-up data and clinical information were obtained from the medical records. Thirteen (10.6%) of the women of the total group (all stages) but only 3 (2.7%) of the FIGO stage I and II patients died from locally recurrent or metastatic disease. FIGO (sub)stage (p = 0.0006; Odds Ratio (OR) = 16.44, 95% Confidence interval (CI) = 3.36-80.45), vascular invasion (p = 0.01, OR = 6.42, CI = 1.57-26.34) and nuclear size (p = 0.025, 0R = 1.3, CI = 1.05-1.61) were independently correlated with recurrence in a multivariate analysis but histologic grade and DNA ploidy were not. However, vascular invasion was poorly reproducible both between and within the same observer. In this retrospective study of all stages endometrial carcinomas with long follow up the primary tumor characteristics nuclear perimeter and FIGO stage were of prognostic significance in addition to the poorly reproducible vessel invasion.

Key words
Endometrial cancer, prognostic factors, image analysis, stage


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Especialidades
Principal: Oncología
Relacionadas: Anatomía Patológica, Epidemiología, Obstetricia y Ginecología



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