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Pediatr Blood Cancer ; 67(10): e28625, 2020 10.
Artigo em Inglês | MEDLINE | ID: mdl-32743978

RESUMO

BACKGROUND: Bilateral retinoblastoma (Rb) treatment remains a challenge for ophthalmologists and pediatric oncologists despite new therapeutic strategies for eye preservation. The purpose of this work is to evaluate treatment outcomes in patients who underwent eye salvage treatment at a single-center prior to the chemotherapy in situ era. PROCEDURE: We followed a cohort of 88 consecutive Rb patients diagnosed at Hospital Infantil de México between November 2000 and June 2014. Eye salvage treatment consisted of systemic chemotherapy plus focal therapy planned by a multidisciplinary team. Unresponsive tumors were treated with episcleral brachytherapy and external beam radiotherapy (EBRT). RESULTS: A total of 96 eyes underwent eye salvaging therapy. Seventy-eight eyes (81%) were salvaged. Seven patients (8%) required brachytherapy and 34 patients (39%) underwent EBRT. Thirty-three of 78 preserved eyes (42%) achieved normal visual acuity: 5/27 (20%) in radiated patients and 28/51 (61%) in nonradiated patients. Eight patients developed secondary primary malignancies; however, those treated with EBRT did not have a significantly increased risk when compared with nonirradiated patients (OR: 1.66; P = 0.492). The overall survival rate was 86% (95% CI, 76%-92%) after a mean follow-up of 10 years. CONCLUSIONS: Eye preservation, long-term tumor control, and functional visual acuity could be maintained in many child and adolescent Rb survivors. Our data suggest that ocular radiotherapy can be used as consolidation treatment when other recently developed therapies with potentially fewer side effects are not available. Multidisciplinary management of Rb is mandatory to obtain cancer control during eye salvage treatment.


Assuntos
Olho/efeitos dos fármacos , Olho/efeitos da radiação , Neoplasias Orbitárias/terapia , Tratamentos com Preservação do Órgão/métodos , Neoplasias da Retina/terapia , Retinoblastoma/terapia , Terapia de Salvação , Quimiorradioterapia/métodos , Pré-Escolar , Feminino , Seguimentos , Humanos , Lactente , Masculino , México , Neoplasias Orbitárias/patologia , Prognóstico , Neoplasias da Retina/patologia , Retinoblastoma/patologia , Acuidade Visual
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