Octogenarian parkinsonism – Clinicopathological observations

•Parkinson syndrome and Parkinson's disease are rising as the proportion of elderly increases.•Parkinson's disease is most common Parkinson syndrome variant in ≥80 years onset.•Our data show the common onset is the upper limb tremor.•Most PS ≥ 80 year group improve on levodopa.•The Parkinson's disease progression accelerated in octogenarian Parkinson's disease.