Monday, 27 April 2015

MRI Helps Depict Clinically Undetectable Risk Factors in Advanced Stage Retinoblastomas

If diagnosed early, retinoblastoma is a highly curable cancer. Conservative treatment options have significantly improved in the last decades. The main aims in the management of retinoblastoma are maintaining the eye and reducing the systemic toxicity. A combination of local treatments, systemic and/or peri-ocular chemotherapy, external beam radiation, and enucleation have been used to successfully treat the tumour.


Our data [http://neu.sagepub.com/content/28/1/53.full] confirm the usefulness of high-resolution brain and orbit MRI in combination with clinical examinations in detecting possible risk factors for metastasis in advanced stages retinoblastomas leading to correct “customized” treatments. In particular, pre-laminar optic nerve and scleral infiltration suspected at MRI were strongly associated with the histology findings, and overall choroid provided good performances in sensitivity, NPV and accuracy. LEICR sign could be included in optic nerve evaluation at MRI, and AASE has been confirmed as a valuable additional sign alerting an increasing risk of metastasis.

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