RETINAL TOXICITY FOLLOWING PRESUMED INADVERTENT INTRAOCULAR INJECTION OF MITOMYCIN C DURING TRABECULECTOMY

To describe a case of postoperative retinal toxicity following the use of mitomycin C during a routine trabeculectomy. METHODS: Case report of a single patient who underwent complete ophthalmic examination and multimodal imaging, including color fundus photos, optical coherence tomography, fundus autofluorescence, and fluorescein angiography. The study was declared exempt by the Institutional Review Board of Northwestern University. This research followed the tenets of the Declaration of Helsinki. RESULTS: The patient developed profound vision loss and retinal damage during the postoperative course. Posterior segment findings include loss of vascular perfusion, diffuse loss of the outer, then inner, retinal layers, and subsequent total retinal detachment. CONCLUSION: Although mitomycin C is commonly used in glaucoma filtering surgeries, reports of postoperative posterior segment toxicity are rare. The etiology of postoperative toxicity in this case is probable inadvertent intraocular injection of mitomycin C.