Intracranial dolicoectasias are an abnormal dilation of blood vessels in the brain. This condition is also referred to as cerebral dolichoectasia, which describes the elongation and tortuosity of the blood vessels in the brain. Other synonyms for intracranial dolicoectasias include cranial arteriopathy, intracranial artery ectasia, intracranial ectasia, and dilated intracranial vessels. These terms are used to describe the same medical condition, which can lead to serious consequences such as stroke and neurological deficits. It is important to seek medical attention if any symptoms of intracranial dolicoectasias are present, including headaches, vision problems, and seizures.