Atrophy of the cerebellum indicates a degenerative lesion of the cerebellum, which can be caused by hereditary or degenerative diseases, as well as by certain acute processes such as late acute cerebellitis and drug intoxication. The main causes of cerebellar atrophy include: genetic disorders, degenerative disorders, ischaemic and hypoxic disorders, drug intoxication, inflammatory disorders, alcoholism, neurological paraneoplastic syndromes, etc.