A cavernous hemangioma is a type of benign tumor made up of a mass of blood vessels. These tumors can occur in various parts of the body, including the skin, liver, and brain. They are usually present at birth or develop in early childhood and often grow slowly over time. Most cavernous hemangiomas do not cause symptoms and may not require treatment. In some cases, cavernous hemangiomas can lead to complications, especially if they are located in sensitive areas like the brain or near vital organs. Treatment options may include observation, medication, or surgical removal if the tumor causes pain or other issues. Regular monitoring is essential to ensure they do not grow or cause problems.