Posterior reversible encephalopathy syndrome (PRES) associated with ovarian cancer and voltage-gated potassium channel antibodies: A case report

•We report a case of PRES in conjunction with high grade serous ovarian carcinoma•There is a documented association between chemotherapy agents and PRES•Paraneoplastic panel was positive for voltage-gated potassium channel antibodies•Paraneoplastic workup may be justified in cases with high suspicion of PRES.