1. 
   leukoaraiosis
   Type: Term Pronunciation: lū′kō-ahr-ī-ō′sis Definitions: 1. Decreased vascular density, especially in deep white matter in the brain, on MRI or CT; may be caused by demyelination, gliosis, or decreased perfusion.
   Found op http://www.medilexicon.com/medicaldictionary.php?t=49043
   
   
2. 
   Leukoaraiosis
   Leukoaraiosis describes the nonspecific changes in the cerebral white matter frequently seen on CT and MRI in aged individuals. The term leukoaraiosis was first coined in 1986 as a descriptive term for rarefaction ("araiosis") of the white matter, showing up as decreased density on CT and increased...
   Found op http://en.wikipedia.org/wiki/Leukoaraiosis
   
   

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