Table 1 Differential Diagnosis of Extrapyramidal syndrome.

Hereditary disorders

   • Wilson's disease

   • Huntington's disease

Vascular parkinsonism

   • Infarcts

   • Vasculitis

Structural lesions

   • Gliomas

   • Meningioma

Hypoxic injury Infections

   • ADEM(acute demyelinating encephalomyelitis)

   • Postencephalitic

   • Creutzfeldt-jakob disease

Metabolic

   • Central and Extrapontine myelinolysis

   • Hypoparathyroidism

Mitochondrial cytopathies Posttraumatic Drugs

   phenothiazines, butyrophenones, thioxanthenes Metoclopramide, methyldopa, reserpine, verapamil, flunarizine, amiodarone.

Toxins

   carbon monoxide, cyanide, mptp, manganese.