Liver tumors can be benign or malignant. Malignant tumors that can be derived from the liver or is spread (metasatase) of other body parts. Malignant tumors derived from the liver is called primary liver cancer and those from other parts of the body is called metastatic cancer. The majority of liver cancer is metastatic cancer.
- hepatocellular adenomas
Hepatocellular adenomas are benign liver tumors are often found. Hepatocellular adenomas occurred mainly in women of childbearing age, probably due to the use of birth control pills increase the risk of this tumor. Hepatocellular adenomas are usually no symptoms, so skillful are not detectable. Although rare, these adenomas may rupture suddenly and cause bleeding into the abdominal cavity, making it necessary to do emergency surgery.
Adenomas very rarely develop into malignant tumors. Adenomas caused by birth control pills often disappear after the use of birth control pills is stopped.
Hemangioma is a benign liver tumor that is formed from a mass of abnormal blood vessels. Approximately 1-5% of adults have small liver hemangiomas that cause no symptoms. In infants, a large hemangioma often cause symptoms that lead to the discovery of the disease, such as widespread blood clotting and heart failure. In this situation it may be necessary following surgery.
These tumors are usually diagnosed only when patients undergo an ultrasound or CT scan. Small hemangiomas that do not cause symptoms, usually do not require treatment.