Mastocytosis - Definition

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Definition


Mastocytoses are diseases all having in common the presence of some abnormal cells called mast cells in an organ or tissue. The mast cells are connective tissue cells, meaning the cells that form the connective tissue, the main tissue supporting the organs of the human body. Mastocytoses are usually benign diseases particularly affecting the skin in the form of the appearance of red or brown oval spots, but can also affect various organs such as the kidneys, liver, bones, and are responsible for symptoms related with the affected organs. The causes of mastocytosis are not yet known with certainty, and these diseases can sometimes become cancerous.