Retinoblastoma differential diagnosis
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1],Associate Editor(s)-in-Chief: Simrat Sarai, M.D. [2]
Overview
Retinoblastoma must be differentiated from other diseases that cause leukocoria, such as [differential dx1], [differential dx2], and [differential dx3].
Differential diagnosis
The common causes of leukocoria in children include:
- Congenital Cataract
- Persistent fetal vasculature
- Coats disease
Less common causes of leukocoria include:
- Coloboma (fissure or cleft) of choroid or optic disc
- Toxocariasis
- Astrocytic hamartoma
- Retinopathy of prematurity (stage 4, 5)
- Vitreous hemorrhage
- Uveitis (pars planitis)
- Retinal dysplasia
- Medulloepithelioma
Differentiating features of some common and less common differential diagnosis are:
Disease/Condition | Differentiating Signs/Symptoms | Differentiating Tests |
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Congenital Cataract |
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Coats disease (exudative retinitis or retinal telangiectasis) |
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Persistent fetal vasculature (formerly known as persistent hyperplastic primary vitreous) |
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Retinopathy of prematurity (ROP) |
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Ocular toxocariasis |
Generally causes vitreoretinal traction and ocular inflammation not seen in retinoblastoma. |
Fundus examination reveals the characteristic signs. |