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Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, 6550 Fannin, Suite 1801, Houston, TX 77030, United States
]. While some of the abnormal postures represent skeletal deformities, referred to
as “striatal” hands and feet (Fig. 1, Fig. 2), dystonia may be another mechanism for the abnormal postures [
] state in their paper in this issue of the journal that “dystonic deformities of the
hands and feet are rare,” this feature of PD is probably much more common than realized,
and when present, it can markedly contribute to the overall disability and can adversely
impact patient's quality of life.
Fig. 1Typical striatal hand deformity manifested by flexion of the metacarpophalengal and
distal inter-phalangeal joints as well as extension of the proximal inter-phalangeal
joints.