MONDO_0002615 (xanthomatosis) is a condition marked by the development of widespread xanthomas, yellow tumor-like structures filled with lipid deposits. Xanthomas can be found in a variety of tissues including the skin; tendons; joints of knees and elbows. Xanthomatosis is associated with disturbance of lipid metabolism and formation of foam cells. Also known as: xanthelasmatosis, xanthomatosis (disease).