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A case of atypical progressive supranuclear palsy

Authors Spaccavento S, Del Prete M, Craca A, Loverre A

Received 17 July 2013

Accepted for publication 27 August 2013

Published 16 December 2013 Volume 2014:9 Pages 31—39


Checked for plagiarism Yes

Review by Single-blind

Peer reviewer comments 4

Simona Spaccavento, Marina Del Prete, Angela Craca, Anna Loverre

IRCCS Salvatore Maugeri Foundation, Cassano Murge, Bari, Italy

Background: Progressive supranuclear palsy (PSP) is a neurodegenerative extrapyramidal syndrome. Studies have demonstrated that PSP can present clinically as an atypical dementing syndrome dominated by a progressive apraxia of speech (AOS) and aphasia.
Aim: We aimed to investigate the clinical presentation of PSP, using a comprehensive multidimensional evaluation, and the disease response to various pharmacological treatments.
Methods: A 72-year-old right-handed male, with 17 years education, who first presented with aphasia, AOS, depression, apathy, and postural instability at 69 years; a complete neuropsychological evaluation, tapping the different cognitive domains, was performed.
Results: Testing revealed a moderate global cognitive deficit (Mini-Mental State Examination test score =20), low memory test scores (story recall, Rey’s 15-word Immediate and Delayed Recall), and poor phonemic and semantic fluency. The patient’s language was characterized by AOS, with slow speech rate, prolonged intervals between syllables and words, decreased articulatory accuracy, sound distortions, and anomia. Behavioral changes, such as depression, anxiety, apathy, and irritability, were reported. The neurological examination revealed supranuclear vertical gaze palsy, poor face miming, and a mild balance deficit. Magnetic resonance imaging showed only widespread cortical atrophy. Single photon emission computed tomography demonstrated left > right frontotemporal cortical abnormalities. After 6 months, a further neuropsychological assessment showed a progression in cognitive deficits, with additional attention deficits. The patient reported frequent falls, but the neurological deficits remained unchanged. Neuroimaging tests showed the same brain involvement.
Conclusion: Our case highlights the heterogeneity of the clinical features in this syndrome, demonstrating that atypical PSP can present as AOS and aphasia, without the classical features or involvement of the subcortical gray and brainstem region, commonly affected in typical PSP.

Keywords: pharmacological treatments, neuropsychological deficits

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