Cavernous angiomas are benign connective tissue tumors caused by abnormal proliferation of endothelial cells resulting in malformations of the vascular supply. Most often they are found in the brain, spinal cord, liver and, rarely, in other areas of the body. A typical cavernous angioma looks somewhat like a raspberry, but it can range in size from microscopic to inches in diameter. It is non-encapsulated, with an infiltrative, lobular growing. ...