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Am J Ophthalmol Case Rep. 2019 Jun 5;15:100484. doi: 10.1016/j.ajoc.2019.100484. eCollection 2019 Sep.

Systemic anti-CD20 (rituximab) as primary treatment for symptomatic primary uveal lymphoma.

Author information

1
Department of Ophthalmology and Visual Science, Kellogg Eye Center, University of Michigan, USA.

Abstract

Purpose:

Uveal lymphomas are indolent, frequently choroid-involving neoplasms that are mainly CD20-positive B-cell extranodal marginal zone lymphoma. Irreversible visual loss may occur from retinal detachment and/or glaucoma among untreated symptomatic patients, or from radiation-induced changes secondary to external beam radiotherapy. To avoid radiation-induced complications, we used systemic rituximab monotherapy as primary treatment, and present two cases to show its long-term effectiveness for symptomatic primary uveal lymphoma.

Observations:

Two elderly men who presented with painless blurred vision were clinically diagnosed with symptomatic primary uveal lymphoma, which were biopsy-confirmed to be marginal zone lymphoma. Both patients with symptomatic, primary marginal zone uveal lymphoma that appeared as multiple yellow, nummular choroidal infiltrates, had complete ocular remission after three and one cycles of systemic rituximab monotherapy (375mg/m2 infused intravenously once weekly for four consecutive weeks), with disappearance of the lesions and improvement of visual acuity. Both patients tolerated systemic monotherapy well without any adverse systemic or ocular effects. There was no local ocular recurrence at 29 and 39 months after the last treatment.

Conclusions:

and Importance: Systemic rituximab monotherapy induced complete ocular remission and improved visual acuity, without adverse effects, and without local ocular recurrence of uveal lymphoma 29-39 months following the last treatment. To our knowledge, this is the first manuscript to show long-term effectiveness of systemic rituximab monotherapy as the primary treatment for symptomatic primary uveal lymphoma. Long-term follow-up of this indolent neoplasm is still imperative to monitor its ocular and systemic course.

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