“…CT showed severe atro phy of the pons and cerebellum in cases 1 and 2, but mild atrophy in case 3. In case 1, the hypodensity area was revealed in the white matter of the occipital region with out enhancement by contrast material [2,5,12,13,22,32], Muscle biopsy specimens in these 2 cases showed no significant changes, while sural nerve biopsies revealed short lamellar bodies in case 2 [28][29][30]35],…”