label: Paraneoplastic Cerebellar Degeneration
label_lc: paraneoplastic cerebellar degeneration
description: A rare, immune-mediated disorder characterized by cerebellar degeneration due to the presence of an often undetected malignancy (usually carcinoma or lymphoma) in an anatomic site other than the cerebellum. Signs and symptoms include progressive ataxia, dysarthria, and nystagmus.