Paraneoplastic Opsoclonus Ataxia

**Semantic type:** Disease or Syndrome

**Definition:** Ataxia associated with chaotic multidirectional conjugate eye movements secondary to metastatic tumors to cerebellum. The most common malignant tumor associated with this paraneoplastic syndrome is lung carcinoma. (NCI)

**Synonyms:** - POA - Paraneoplastic Opsoclonus-Ataxia