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Inicio Archivos de la Sociedad Española de Oftalmología (English Edition) Retinoblastoma and optic nerve enhancement in a brain magnetic resonance scan: I...
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Vol. 93. Issue 5.
Pages 251-254 (May 2018)
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Vol. 93. Issue 5.
Pages 251-254 (May 2018)
Short communication
Retinoblastoma and optic nerve enhancement in a brain magnetic resonance scan: Is it always a metastasis?
Retinoblastoma y realce del nervio óptico en la resonancia magnética cerebral: ¿es siempre una metástasis?
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A. Correa-Acosta
Corresponding author
andrecorreaacosta@hotmail.com

Corresponding author.
, M.E. González-Alviar, M.L. Gaviria-Bravo
Servicio de Oftalmología, Hospital Universitario San Vicente Fundación, Universidad de Antioquia, Medellín, Colombia
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Abstract
Case report

The case is presented on a girl with a unilateral retinoblastoma that required treatment with intra-arterial chemotherapy. In the nuclear magnetic resonance imaging of the brain performed 1 month after intra-arterial chemotherapy treatment, post-laminar optic nerve (ON) enhancement was observed, leading to the suspicion of an ON tumor infiltration. Additional examinations were requested by which a probable optic neuropathy was diagnosed.

Discussion

The ON enhancement in magnetic resonance imaging of the brain in retinoblastoma generally corresponds to tumor invasion of the ON. However, other diagnostic alternatives associated with the use of new treatments, such as intra-arterial chemotherapy, should be considered.

Keywords:
Retinoblastoma
Optic nerve enhancement
Nuclear magnetic resonance
Metastasis
Resumen
Caso clínico

Niña con retinoblastoma unilateral que precisó tratamiento con quimioterapia intraarterial. En la resonancia magnética nuclear cerebral, realizada un mes después del tratamiento con quimioterapia intraarterial, se evidenció realce del nervio óptico (NO) poslaminar lo que hizo sospechar una infiltración tumoral del NO, por lo que se solicitaron exámenes adicionales donde se diagnosticó una probable neuropatía óptica.

Discusión

Generalmente el realce del NO en la resonancia magnética nuclear cerebral en retinoblastoma corresponde a una invasión tumoral del NO; sin embargo, en la actualidad, se deben considerar otras alternativas diagnósticas asociadas al uso de nuevos tratamientos, como la quimioterapia intraarterial.

Palabras clave:
Retinoblastoma
Realce del nervio óptico
Resonancia magnética nuclear
Metástasis

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