Brain MRI is considered the most optimal non-invasive method of evaluating the brain. It has special value in diagnosing diseases of the pituitary gland and brain stem. It helps detect and evaluate many diseases or abnormalities of the brain, especially brain tumors due to clear, detailed images, and the ability to observe the brain vessels without injecting contrast agents. Brain pathologies are extremely diverse and complex, so reading the results of brain MRI with a specialist who has a good understanding of knowledge and imaging anatomy must follow a certain order to avoid missing lesions.