Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Classification
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| MRI component
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Features
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- Group A
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- Retinoblastoma 3 mm or less in basal dimension or thickness, located at least 3 mm from the foveola and 1.5 mm from the optic nerve.
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- Group B
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- Retinoblastoma not in Group A with 1 or more of the following:
- Macular location (≤3 mm to foveola)
- Juxtapapillary location (≤1.5 mm to optic nerve)
- Additional subretinal fluid (≤5 mm from margin).
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- Group C
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- Retinoblastoma tumor with 1 of the following:
- Focal subretinal seeds
- Focal vitreous seeds
- Both focal subretinal and vitreous seeds.
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- Group D
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- Retinoblastoma tumor with 1 of the following:
- Diffuse subretinal seeds
- Diffuse vitreous seeds
- Both diffuse subretinal and vitreous seeds.
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- Group E
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- Very high-risk eyes with 1 or more of the following:
- Neovascular glaucoma
- Massive intraocular hemorrhage
- Aseptic orbital cellulitis
- Tumor anterior to the vitreous face
- Tumor touching the lens
- Diffuse infiltrating retinoblastoma
- Phthisis bulbi (also known as end-stage eye, this is a nonfunctioning, atrophic, scarred, and disorganized globe, frequently with dystrophic calcification).
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