A 23-year-old man with a history of migraine and focal seizures, developed painless visual loss in the left eye associated with optic disk edema. There was no recent history of cat exposure except for a cat that lives outside. Initial laboratory studies were negative. magnetic resonance imaging brain and orbits without and with fat suppression and intravenous contrast was normal. The patient admitted to routinely skinning, processing and consuming deer while not wearing gloves, and he also frequently had cuts on his hands while doing so. The serum Toxoplasma gondii IgG antibody returned at >400 (0–7.1 IU/mL) with the IgM at 10.4 (0–7.9 AU/mL).

一名有偏头痛和局灶性癫痫病史的 23 岁男性左眼出现无痛性视力丧失并伴有视盘水肿。除了一只住在外面的猫外，近期没有猫接触史。最初的实验室研究呈阴性。无和有脂肪抑制和静脉造影的脑和眼眶磁共振成像正常。患者承认经常在不戴手套的情况下对鹿进行剥皮、加工和食用，而且在这样做时他的手也经常被割伤。血清弓形虫IgG 抗体返回 >400 (0–7.1 IU/mL)，IgM 为 10.4 (0–7.9 AU/mL)。