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Updated: Oct 30, 2025

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Establishment and Propagation of Human Retinoblastoma Tumors in Immune Deficient Mice
Published on: August 4, 2011
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Retinoblastoma presenting as pseudohypopyon and preserved visual acuity
Andrea L Blitzer1, Sidney A Schechet2, Hassan A Shah1
1Department of Ophthalmology and Visual Science, University of Chicago, Chicago, IL, USA.
American Journal of Ophthalmology Case Reports
|July 5, 2021
Summary
Retinoblastoma, the most common childhood eye cancer, can subtly present as a pseudohypopyon with good vision. This case highlights the importance of recognizing atypical presentations of this intraocular malignancy.
Area of Science:
- Ophthalmology
- Pediatric Oncology
Background:
- Retinoblastoma is the most frequent primary intraocular malignancy in children.
- Typical signs include leukocoria and strabismus, but varied presentations occur.
Observation:
- A 3-year-old boy presented with a pseudohypopyon and preserved visual acuity (20/30).
- Fundoscopy revealed a large white mass; examination under anesthesia confirmed extensive retinoblastoma with vitreous seeds and anterior chamber involvement.
Findings:
- Histopathology confirmed retinoblastoma with tumor cells infiltrating the ciliary body, iris, iridocorneal angle, and Schlemm canal.
- High-risk features necessitated adjuvant chemotherapy.
Implications:
- Physicians must consider retinoblastoma in cases of pseudohypopyon, even with preserved vision.
- The role of adjuvant chemotherapy for anterior segment retinoblastoma remains a subject of debate.
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