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What is In retinoblastoma, after enucleation, which tissue is sectioned to find out systemic metastasis and explain in detail?
C i.e. Optic nerve Enucleation is indicated in large retinoblastoma with diffuse involvement (due to poor prognosis & high risk of recurrence) & normal fellow eye (so aggressive chemotherapy is inappropriate). It should be done with minimal-manipulation and it is imperative to obtain 8-12 mm piece of optic nerve Q to rule out any spread of tumor to brain.