Leukodystrophies belonging to the group of peroxisomal diseases are genetic diseases characterized by the impairment of peroxisomal enzymes.

A fatty acids." >peroxisome is a specialized structure within the cell without genome playing a role in the cell detoxification more particularly in the breakdown of very-long-chain fatty acids.

Defective peroxisomal function results in the accumulation of some molecules in the cell that may be the cause of the disease.

This group of disorders includes: