Chronic encephalitis caused by leukoencephalopathy.

  title={Chronic encephalitis caused by leukoencephalopathy.},
  author={D. G. Ast and Burke A. Cunha},
  journal={Heart & lung : the journal of critical care},
  volume={19 6},
As mentioned previously, both MS and PML are demyelinating conditions of the CNS and pose diagnostic difficulties in their differentiation because of similarities in their clinical findings. However, certain features unique to each of these diseases are helpful in clinical diagnosis. MS, unlike PML, is a disease of unknown cause. Polygenetic influences in combination with exposure to an environmental agent and immune-mediated factors may be operative in the pathogenesis of MS. Age of onset… CONTINUE READING