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Paraneoplastic cerebellar degeneration as the first evidence of malignancy: A case report

Paraneoplastic cerebellar degeneration (PCD) is an immune‐mediated paraneoplastic disorder affecting the cerebellum. PCD associated with ovarian malignancy is a rare occurrence with fewer than 100 cases reported in published work. PCD patients express anti‐Yo antibody, one of the anti‐onconeuronal antibodies which is most likely associated with gynecologic or breast malignancies. In this report, we present the case of a 65‐year‐old postmenopausal woman presenting with acute symptoms of PCD as a first sign of ovarian malignancy.