Cerebral and cerebellar atrophies will not cause brain tumours. Cerebral and cerebellar atrophies are due to various reasons. Most common reason in the Indian subcontinent is the deficiency of the vitamins and the nutrition, most commonly the vitamin B12 deficiency, that is commonly seen in vegetarians. Where these nutritional deficiencies can cause cerebral and cerebellar atrophies. Sometimes long term problems like lack of circulatory oxygen and progressing neurological disorders can cause cerebral and cerebellar atrophies. Vitamin B12 deficiency will not cause brain tumor, they will present with developmental delay. Loss of proteins, medicines with lethargy will also cause Body tumor is a late manifestation of brain tumour. Body and may be due to some other reasons. Disorientation and dizziness are due to various reasons. most common reason are the lack of proper intake of water, lack of food, it can be due to brain fevers, and rarely it may be a manifestation of brain tumour. When brain tumour is presenting a disorientation and dizziness, then they will be having other symptoms like vomiting, headache, fits all these things will be there. So these features generally will not cause brain tumour.

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