What's the difference between a liver hemangioma and liver lesion on my ct scan?

MRI or CT scan: This is usually a pretty straight-forward distinction based on a ct or MRI scan. The important point is that the scan has to be ordered as a "hemangioma protocol" with IV contrast. Hemangiomas usually take up and release IV contrast in a predictable fashion in comparison with liver cancer. Rarely, if there is still a question, the mass can be biopsied without a serious risk for bleeding.

Liver lesions: A liver lesion is a term used to describe all lesions that can occur in the liver including hemangiomas, cyst, cancer, metastases, adenomas, focal nodular hyperplasia, and several others. A liver hemangioma is a common and benign liver lesion encountered frequently by radiologists.

Definitions: Lesion is any abnormal mass or tumor in the liver. Does not mean cancer or benign. Hemangioma is a specific benign lesion.