Due to the presence of typical clinical and radiological findings, tissue<unk> (FNAC) confirmation is not necessary. It may also lead to extraocular seeding of tumor cells.
However, it is indicated in special cases to confirm where the diagnosis is ambiguous or there has been already an obvious extra ocular spread.
Retinoblastoma Biopsy
Retinoblastoma MRI
Retinoblastoma staging
Retinoblastoma surgery
Astrocytoma Biopsy
Optic nerve glioma MRI
Cavernous angioma CT
Retinoblastoma physical examination