Stiff person syndrome (SPS) (or stiff-man syndrome; also known as Moersch-Woltman Condition) is a rare neurologic disorder of unknown etiology characterized by progressive rigidity and stiffness, primarily of the axial musculature, that is superimposed by spasms, resulting in postural deformities. There are also sub-variants: stiff baby syndrome and stiff limb syndrome. Other forms or types of the disease include focal SPS, jerking SPS, and progressive encephalomyelitis with rigidity and myoclonus.
Read more about Stiff Person Syndrome: Signs and Symptoms, Causes, Treatment, Prognosis, Epidemiology, History, Differential Diagnoses, See Also
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