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Gamma Knife Radiosurgery for Ten or More Brain Metastases
Journal of Korean Neurosurgical Society ; : 358-363, 2008.
Artículo en Inglés | WPRIM | ID: wpr-184111
ABSTRACT

OBJECTIVE:

This study was performed to assess the efficacy of GKS in patients with ten or more brain metastases.

METHODS:

From Aug 2002 to Dec 2007, twenty-six patients (13 men and 13 women) with ten or more cerebral metastatic lesions underwent GKS. The mean age was 55 years (32-80). All patients had Karnofsky performance status (KPS) score of 70 or better. According to recursive partitioning analysis (RPA) classification, 3 patients belonged to class I and 23 to class II. The location of primary tumor was lung (21), breast (3) and unknown (2). The mean number of the lesions per patient was 16.6 (10-37). The mean cumulated volume was 10.9 cc (1.0-42.2). The median marginal dose was 15 Gy (9-23). Overall survival and the prognostic factors for the survival were retrospectively analyzed by using Kaplan Meier method and univariate analysis.

RESULTS:

Overall median survival from GKS was 34 weeks (8-199). Local control was possible for 79.5% of the lesions and control of all the lesions was possible in at least 14 patients (53.8%) until 6 months after GKS. New lesions appeared in 7 (26.9%) patients during the same period. At the last follow-up, 18 patients died; 6 (33.3%) from systemic causes, 10 (55.6%) from neurological causes, and 2 (11.1%) from unknown causes. Synchronous onset in non-small cell lung cancer (p=0.007), high KPS score (> or =80, p=0.029), and controlled primary disease (p=0.020) were favorable prognostic factors in univariate analysis.

CONCLUSION:

In carefully selected patients, GKS may be a treatment option for ten or more brain metastases.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Encéfalo / Mama / Estudios Retrospectivos / Estudios de Seguimiento / Radiocirugia / Estado de Ejecución de Karnofsky / Carcinoma de Pulmón de Células no Pequeñas / Pulmón / Metástasis de la Neoplasia Tipo de estudio: Estudio observacional / Estudio pronóstico Límite: Humanos / Masculino Idioma: Inglés Revista: Journal of Korean Neurosurgical Society Año: 2008 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Encéfalo / Mama / Estudios Retrospectivos / Estudios de Seguimiento / Radiocirugia / Estado de Ejecución de Karnofsky / Carcinoma de Pulmón de Células no Pequeñas / Pulmón / Metástasis de la Neoplasia Tipo de estudio: Estudio observacional / Estudio pronóstico Límite: Humanos / Masculino Idioma: Inglés Revista: Journal of Korean Neurosurgical Society Año: 2008 Tipo del documento: Artículo