Can loss of the swallow tail sign help distinguish between Parkinson Disease and the Parkinson-Plus syndromes?

Abstract Purpose To determine if loss of the swallow tail sign (STS) can distinguish Parkinson Disease (PD) from the Parkinson-Plus syndromes. Methods Twenty-five patients with PD, 21 with Parkinson-Plus syndromes, and 14 control patients were included. Presence of the STS was assessed. Results The...

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Bibliographic Details
Published in:Clinical imaging 2017-07, Vol.44, p.66-69
Main Authors: Oustwani, C.S, Korutz, A.W, Lester, M.S, Kianirad, Y, Simuni, T, Hijaz, T.A
Format: Article
Language:English
Subjects:
Aged
Diagnosis, Differential
Disorders
Female
Humans
Magnetic Resonance Imaging - methods
Male
Medical imaging
Middle Aged
Movement disorders
Movement Disorders - diagnosis
Movement Disorders - diagnostic imaging
Neurodegenerative diseases
Neurology
Parkinson Disease
Parkinson Disease - diagnosis
Parkinson Disease - diagnostic imaging
Parkinson Plus syndromes
Parkinson's disease
Patients
Radiology
Scanners
Scanning
Studies
Subgroups
Susceptibility weighted imaging
Swallow tail sign
Syndrome
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Summary:Abstract Purpose To determine if loss of the swallow tail sign (STS) can distinguish Parkinson Disease (PD) from the Parkinson-Plus syndromes. Methods Twenty-five patients with PD, 21 with Parkinson-Plus syndromes, and 14 control patients were included. Presence of the STS was assessed. Results The STS was present in 79% of controls, statistically greater than the PD/Parkinson-Plus patients. There was no difference in the presence of the STS between the PD/Parkinson-Plus subgroups or when scanning at 1.5 T or 3 T. Conclusions Loss of the STS could not distinguish between PD and Parkinson-Plus patients. The STS can be identified at both 1.5 T and 3 T.
ISSN:0899-7071
1873-4499
DOI:10.1016/j.clinimag.2017.04.005