Vitreoretinal lymphoma (VRL) is a subtype of central lymphoma, which at present is hard to diagnose. The gold standard of VRL diagnosis is vitreous cytology, but the vitreous specimen needs to be obtained by the invasive surgery of vitrectomy. Aqueous humor is easier to obtain, has better stability, and has a lower operating risk than vitreous specimens.
We studied the diagnostic value of interleukin 10 (IL-10), IL-10/ IL-6 ratio and interleukin score for intraocular lymphoma diagnosis (ISOLD) in both vitreous and aqueous humor for vitreoretinal lymphoma, to determine if aqueous humor could be used to assist in the diagnosis of vitreoretinal lymphoma (VRL) by detecting IL-6 and IL-10.
The area under ROC curve (AUC) of vitreous fluid IL-10, IL-10/IL-6 ratio and ISOLD at the diagnosis of VRL diagnosis were 93.5%, 93.6% and 93.8%, respectively. The AUC of the aqueous humor IL-10, IL-10/IL-6 and ISOLD for VRL diagnosis were 83.8%, 72.8% and 85.9%, respectively.
Aqueous humor can thus replace vitreous humor as a potential sample type for the diagnosis of intraocular lymphoma.

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