Clinical Reasoning: A 67-Year-Old Woman With Progressive Diplopia, Vertigo, and Ataxia

Abstract

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.