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Trilateral retinoblastoma

Authors

  • Célia B.G. Antoneli MD, PhD,

    Corresponding author
    1. Pediatric Oncology Department, Centro de Tratamento e Pesquisa Hospital do Câncer A C Camargo, São Paulo, Brazil
    • R. Vergueiro, 3645 ap. 511, São Paulo, CEP 04101-300 Brazil.
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  • Karina de Cássia B. Ribeiro DDS, PhD,

    1. Hospital Cancer Registry, Centro de Tratamento e Pesquisa Hospital do Câncer A C Camargo, São Paulo, Brazil
    2. Department of Social Medicine, Faculdade de Ciências Médicas da Santa Casa de São Paulo, São Paulo, Brazil
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    • Assistant Professor.

  • Luis Henrique Sakamoto MD,

    1. Pediatric Oncology Department, Centro de Tratamento e Pesquisa Hospital do Câncer A C Camargo, São Paulo, Brazil
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  • Martha M. Chojniak MD, MSc,

    1. Ophthalmology Department, Centro de Tratamento e Pesquisa Hospital do Câncer A C Camargo, São Paulo, Brazil
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  • Paulo Eduardo R.S. Novaes MD, PhD,

    1. Radiation Therapy Department, Centro de Tratamento e Pesquisa Hospital do Câncer A C Camargo, São Paulo, Brazil
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  • Victor E.A. Arias MD, PhD

    1. Pathology Department, Centro de Tratamento e Pesquisa Hospital do Câncer A C Camargo, São Paulo, Brazil
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Abstract

Background

Trilateral retinoblastoma (TRB) is a syndrome consisting of unilateral or bilateral hereditary retinoblastoma (Rb) associated with an intracranial neuroblastic tumor. Although its incidence is low, the prognosis is very poor. This article reports four cases of TRB and discusses the role of neuroimaging screening for early detection.

Procedure

From January 1986 to December 2003, 470 children with Rb were admitted to the Pediatrics and Ophthalmology Departments, A C Camargo Hospital, São Paulo, Brazil.

Results

There were four patients with pineoblastoma, two of whom had a positive familial history. The age at diagnosis of Rb was 4, 6, 10, and 24 months while the age of diagnosis of TRB was 10, 25, 57, and 72 months. One patient presented TRB at initial diagnosis of Rb. Three patients had bilateral disease and all of them had one eye enucleated, followed by chemotherapy and/or external beam radiation therapy (EBRT). One child with unilateral disease was only submitted to enucleation. In spite of intensive treatment, all patients died with progressive disease within 7, 8, 12, and 12 months after diagnosis of TRB.

Conclusions

Early diagnosis as well as new therapeutic approaches are needed to achieve better results. Pediatr Blood Cancer 2007;48:306–310. © 2006 Wiley-Liss, Inc.

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