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The Clinical Outcomes of Proton Beam Radiation Therapy for Retinoblastomas That Were Resistant to Chemotherapy and Focal Treatment
Korean Journal of Ophthalmology ; : 387-393, 2011.
Artículo en Inglés | WPRIM | ID: wpr-221054
ABSTRACT

PURPOSE:

To evaluate the clinical results of proton beam radiation therapy (PBRT) for treatment of retinoblastoma.

METHODS:

Children with retinoblastoma who were treated with chemotherapy and focal treatment such as brachytherapy and thermotherapy but showed no response or developed recurrences later received PBRT. The PBRT strategy was designed to concentrate the radiation energy to the retinoblastoma and spare the surrounding healthy tissue or organs.

RESULTS:

There were three patients who received PBRT. The first patient received PBRT because of an initial lack of tumor regression with chemotherapy and brachytherapy. This patient showed regression after PBRT. The second patient who developed recurrence of retinoblastoma as diffuse infiltrating subretinal seeding was taken PBRT. After complete regression, there was recurrence of tumor and the eye was enucleated. The third patient had unilateral extensively advanced retinoblastoma. Initial chemotherapy failed and tumor recurred. The tumor responded to PBRT and regressed significantly. However, the eye developed sudden multiple recurrences, so we had to perform enucleation.

CONCLUSIONS:

PBRT for retinoblastoma was effective in cases of showing no response to other treatment modalities. However, it should be carefully applied when there was recurrence of diffuse infiltrating subretinal seeding or extensively advanced retinoblastoma initially.
Asunto(s)

Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Retinoblastoma / Resistencia a Medicamentos / Estudios Retrospectivos / Resultado del Tratamiento / Terapia Combinada / Neoplasias de la Retina Tipo de estudio: Estudio observacional Límite: Child, preschool / Femenino / Humanos / Lactante / Masculino Idioma: Inglés Revista: Korean Journal of Ophthalmology Año: 2011 Tipo del documento: Artículo

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Texto completo: Disponible Índice: WPRIM (Pacífico Occidental) Asunto principal: Retinoblastoma / Resistencia a Medicamentos / Estudios Retrospectivos / Resultado del Tratamiento / Terapia Combinada / Neoplasias de la Retina Tipo de estudio: Estudio observacional Límite: Child, preschool / Femenino / Humanos / Lactante / Masculino Idioma: Inglés Revista: Korean Journal of Ophthalmology Año: 2011 Tipo del documento: Artículo