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Vol. 39. Issue 2.
Pages 81-86 (February 2003)
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Vol. 39. Issue 2.
Pages 81-86 (February 2003)
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Carcinoma no microcítico de pulmón. Supervivencia y factores pronósticos del tratamiento radioterápico
Non-small cell lung cancer. Survival after radiotherapy and prognostic factors
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J. Jaén Olasoloa,
Corresponding author
jjaen@hpm.sas.junta-andalucia.es

Correspondencia: Servicio de Oncología Radioterápica. Hospital Universitario Puerta del Mar.Avda. Ana de Viya, 21. 11009 Cádiz. España
, E. Alonso Redondoa, A. León Jiménezb, A. Rueda Ramosc
a Servicio de Oncología Radioterápica. Hospital Universitario Puerta del Mar. Cádiz
b Sección de Neumología. Hospital Universitario Puerta del Mar. Cádiz
c Servicio de Oncología Médica. Hospital Universitario Puerta del Mar. Cádiz. España
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Objetivo

Analizar los resultados de la radioterapia en el carcinoma no microcítico de pulmón y las características clí-nicas y terapéuticas que pueden influir en ellos

Pacientes Y Método

Sobre una base poblacional de 109 pacientes, 87 cumplieron los criterios de inclusión para el es-tudio. Recibieron radioterapia torácica sobre el volumen tu-moral macroscópico y áreas de drenaje linfático, en fraccio-namiento convencional. El 61% recibió, además, tratamiento sistémico con citostáticos

Resultados

La distribución por estadios fue: 33% (28/87) I + II; 20% (18/87) IIIA, y 47% (41/87) IIIB. La do-sis media de radioterapia fue de 66,7 Gy (intervalo de con-fianza [IC] del 95%, 65–67). Consiguió la remisión clínica completa el 22% (18/87), de los cuales la mitad recidivó pos-teriormente; el 26% (21/87) obtuvo una remisión parcial y el 52% (42/87) no respondió. Se encontraron diferencias esta-dísticamente significativas en la supervivencia actuarial, se-gún la estadificación y respuesta tumoral. La mediana de supervivencia para estadios I + II fue de 29 meses (IC del 95%, 19–39); para los IIIA, de 22 meses (IC del 95%, 16–28), y para los IIIB, de 16 meses (IC del 95%, 12,20). Las com-plicaciones más frecuentes fueron las cutáneas, esofágicas y pulmonares, con una baja incidencia de toxicidad grado 3 (inferior al 3%) y ausencia de grado

Conclusiones

No se encontraron diferencias en la super-vivencia según la edad, localización tumoral y tipo histológi-co. El control local de la enfermedad influyó decisivamente en la supervivencia de estos pacientes

Palabras clave:
Cáncer de pulmón
Radioterapia
Quimioterapia
Objective

To analyze the results of radiotherapy for non-small cell lung cancer and identify the clinical and the-rapeutic variables that might influence prognosis

Patients And Methods

In a population base of 109 pa-tients, 87 met the enrollment criteria. The patients received thoracic radiotherapy over the macroscopic tumor volume and lymph drainage areas, using conventional fractions. Systemic cytostatic therapy was also given to 61% of the pa-tients

Results

Staging was as follows: 33% (28/87) I and II, 20% (18/87) IIIA and 47% (41/87) IIIB. The mean radiothe-rapy dose was 66.7 Gy (95% CI, 65–67). Full clinical remis-sion was achieved by 22% (18/87), half of whom later suffe-red recurrences. Partial remission was achieved by 26% (21/87). No response was observed in 52% (42/87). Statistically significant differences in actuarial survival ra-tes were found for staging and tumor response. Mean survi-val for stages I and II was 29 months (95% CI, 19–39), for IIIA it was 22 (95% CI, 16–28) months, and for IIIB 16 months (95% CI, 12–20). The most common complications were cutaneous, esophageal and pulmonary, with a low inci-dence of grade 3 toxicity (less than 3%) and absence of gra-de 4

Conclusions

No differences in survival were observed for age, tumor location or histological type. Local control of the disease decisively influenced patient survival

Keywords:
Lung cancer
Radiotherapy
Chemotherapy
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