👉 A haemangioma is a benign tumor that grows in the blood vessels of the brain and spinal cord. They are usually harmless, but they can cause pain or swelling if they grow larger or if they rupture. Haemangiomas are often found on the surface of the brain and spinal cord, but they can also appear on other parts of the body such as the neck, hand, and face. Haemangiomas can be caused by a variety of factors, including genetics, age,