paraneoplastic neurologic syndrome paraneoplastic syndrome cerebellar degeneration paraneoplastic cerebellar degeneration https://www.malacards.org/card/paraneoplastic_cerebellar_degeneration MESH:D020362 icd11.foundation:1087616692 Orphanet:623626 NCIT:C4685 GARD:0022493 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. MEDGEN:98273 paraneoplastic cerebellar degeneration UMLS:C0393534 MONDO:0044877