TY - JOUR T1 - Paraneoplastic opsoclonus associated with papillary renal cell carcinoma JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 137 LP - 138 DO - 10.1136/jnnp.64.1.137 VL - 64 IS - 1 AU - A KOUKOULIS AU - I CIMAS AU - S GÓMARA Y1 - 1998/01/01 UR - http://jnnp.bmj.com/content/64/1/137.abstract N2 - Opsoclonus is an ocular dyskinesia consisting of involuntary, repetitive, rapid conjugate ocular saccades that are irregular in amplitude and frequency and occur in all directions without an intersaccadic interval.1 Opsoclonus appears more commonly in children,2 and in half of such cases in association with neuroblastoma.1 In adults, the most frequent causes are idiopathic (50%) and paraneoplastic (20%).1 Among the second group, different types of tumours involving a wide variety of organs have been reported, although no case of renal tumour has been published.1 A previously healthy 64 year old man complained of progressive vertigo and unsteady gait, together with mild headache, since a month before admission. At examination he showed severe opsoclonus (increased by saccadic … ER -