[Diagnostic vitrectomy in intraocular inflammations: A retrospective series].

In our study, diagnostic vitrectomy and vitreous fluid analysis were useful to diagnose uveitis of unknown origin, most of which were found to be intraocular lymphomas. Visual acuity improved for the majority of patients. Diagnostic vitrectomy with appropriate vitreous analysis related to clinical examination must be considered in the evaluation of uveitis of unknown origin.