👉 Myxoglioma is a rare and aggressive type of cancer that affects the blood vessels in the brain. It typically starts in the pituitary gland, which is like a small control room for the brain. There are several types of myxoglioma, but the most common one, also known as an "invasive" myxoglioma, can spread to other parts of the body and become more serious. This type of cancer can be difficult to treat because it is