Cerebral cavernous malformations (CCM) have varying presentations and these can be in the form of hemorrhagic stroke, focal neurological deficits, recurrent headaches, and seizures. Howevever, CCMs can be asymptomatic sometimes. ^[1]

• This condition usually presents a significant amount of dilation of blood vessels lined by a single layer of endothelium. There is a lack of neuronal tissue interspersed within the lesion.
• These thinly-walled vessels are comparable to sinusoidal cavities with stagnant blood.
• The diameters of affected blood vessels in patients with CCM vary significantly, ranging from millimeters to centimeters. CCM lesions usually look like raspberries in gross appearance.

• Patients with CCM can be asymptomatic or can have severe symptoms such as headaches, paralysis, seizures, cerebral hemorrhage, hemorrhagic stroke, or even death.
• The nature and severity of the symptoms depend on the lesion’s location in the brain. Approximately 70% of these lesions occur in the supratentorial region of the brain.
• The remaining 30% occur in the infratentorial region.