J Neuroophthalmol 2021 Jan 11. Epub 2021 Jan 11.
Ruiz Department of Ophthalmology and Visual Science (ALC, THD, KR, O-OA), McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), Houston, Texas; Robert Cizik Eye Clinic (ALC, THD, KR, O-OA), Houston, Texas; Department of Diagnostic and Interventional Imaging (EPS), McGovern Medical School at UTHealth, Houston, Texas; and Departments of Pathology (MBB) and Neurology (O-OA), McGovern Medical School at UTHealth, Houston, Texas.
Abstract: This is a rare presentation of a unilateral optic nerve infarction of the left eye caused by mucormycosis in a 51-year-old man with poorly controlled Type 2 diabetes. Diffusion-weighted MRI of the orbit demonstrated extensive infarction of the left optic nerve with ipsilateral cavernous sinus thrombosis and periorbital adnexal inflammation. Left orbital exenteration and sinus debridement were performed, and mucormycosis involving the optic nerve sheath was confirmed on histopathology. Read More