Brain Lesions: What They Are, Causes, Symptoms Treatment What are brain lesions? Brain lesions are areas of damaged brain tissue This kind of damage happens because of brain injuries or medical conditions A stroke, for example, is a type of brain lesion Lesions can disrupt the way your brain works, causing a wide range of symptoms, such as weakness, disruption of one or more senses and confusion
Brain Tumor Types - Johns Hopkins Medicine Certain types of brain tumors are typically benign, while others are often malignant See different tumor types and how likely they are to be cancerous