Aim: To evaluate if there is a difference in the clinical course of primary vitreoretinal lymphoma (PVRL) in vitrectomized versus non-vitrectomized eyes.

Methods: Observational multicenter retrospective case series of patients diagnosed with PVRL between 2007 and 2019, at three tertiary centers. The main outcomes were relapse rates, inflammatory parameters, and best-corrected visual acuities (BCVA). Statistical methods used were an adjusted generalized estimating equation model, and a proportional Cox model.

Results: Eighty patients (150 eyes) were followed for a median of 1.7 years. At presentation, there were no clinical differences between the groups. The relapse rate was 0.091/eye-year (EY) for vitrectomized eyes and 0.087/EY for non-vitrectomized eyes (p = .35). Vitrectomized eyes had better BCVA than non-vitrectomized eyes (p < .001).

Conclusions: Vitrectomy had no effect on the relapse rate in eyes with PVRL. However, the decrease in vitreous cell and debris led to vitrectomized eyes having better visual acuity than non-vitrectomized eyes.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10392775PMC
http://dx.doi.org/10.1080/09273948.2022.2033794DOI Listing

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