A 67-year-old right-handed woman presented with progressive dizziness and nausea. She had a history of high-grade serous ovarian carcinoma with extension into the colon, diagnosed one and a half years prior. She had previously undergone chemotherapy and sigmoid resection with total abdominal hysterectomy and bilateral salpingo-oophorectomy. She also had a history of type 2 diabetes mellitus complicated by peripheral neuropathy.

中文翻译：

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临床推理：一名患有进行性复视、眩晕和共济失调的 67 岁女性

一名 67 岁右利手女性出现进行性头晕和恶心。她有高级别浆液性卵巢癌病史，并延伸至结肠，一年半前被诊断出来。她之前接受过化疗和乙状结肠切除术，全腹子宫切除术和双侧输卵管卵巢切除术。她也有 2 型糖尿病合并周围神经病变病史。