Orbital Development in Children with Retinoblastoma: An Imaging-Based Study.

Semin Ophthalmol

Orbital Ophthalmic Plastic & Lacrimal Surgery Institute, Goldschleger Eye Institute, Sheba Medical Center, Tel Hashomer, Israel.

Published: July 2024

Purpose: To examine whether children treated for Retinoblastoma (Rb) have impaired orbital development.

Methods: A retrospective case series was performed among children with Rb treated at a single medical center from 2004 to 2020. Orbital volumes and measurements were assessed by 3-dimensional image processing software. The main outcome measures were differences in orbital growth between Rb and non-Rb eyes assessed at last follow-up.

Results: Among 44 patients included (mean age 16.09 ± 18.01 months), a positive correlation between age and orbital volume was observed only in the uninvolved, healthy eyes ( = .03). In unilateral cases, orbital growth in the horizontal, vertical, and depth planes was smaller on the affected side compared to the healthy eyes ( < .05). Orbits that underwent enucleation showed decreased growth over time compared to those treated conservatively ( = .017).

Conclusions: Orbital growth rate is slower in the orbits of children treated for Rb compared to healthy orbits. Enucleation negatively affects orbital growth.

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http://dx.doi.org/10.1080/08820538.2024.2312968DOI Listing

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