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postgradmedj-2014-132696 Objectives Cardinal extrapyramidal features of progressive supranuclear palsy (PSP) help in clinically differentiating this condition from Parkinson’s disease and other Parkinsonian syndromes. However, not all extrapyramidal features may be initially present, thus posing a difficulty in early diagnosis. We studied their frequency at the time of first presentation. Methods Patients diagnosed clinically with PSP using the National Institute for Neurological Disorders and Society for PSP (NINDS/SPSP) criteria and seen betwee