Each tissue type, such as liver, spleen or kidney, has a particular echogenicity in its normal state. In diseased states, the echogenicity of an organ can be altered, either more echogenic (hyperechoic) or less echogenic (hypoechoic) than usual.
burn up. v. 1. To destroy something or someone by fire or heat: She burned the contract up. He burned up all the photographs. 2. To be completely destroyed by fire or heat: The cabin burned up, leaving only ashes.
In contrast, tissue-damage burning symptoms (or burns) are described as a feeling of heat that is nearly always accompanied by some degree of pain (except in severe burns that have caused nerve destruction), ranging from a mildly sharp pain (as in a mild sunburn) to a searing pain.