Mast cells can release several biologically active chemicals such as histamine and heparin, which can be very damaging to the body when released in excess by the tumor cells.The behavior or skin mast cell tumors ranges from being benign (non-cancerous) to highly malignant (cancerous).
Kylie Jenner's net worth has accumulated to around $50 million (Â£38 million) She was the youngest person to make the Forbes Celebrity 100 Earnings list Most of Kylie's income is derived from KUWTK, Kylie Cosmetics and Life of Kylie
Kylie, now 18, was thrust into the spotlight at an impressionable age. But, as her burgeoning career proves, she's handled it just fine - and so has her bank balance. According to Celebrity Net Worth, the star, who turned 18 on Monday, is already worth $5m (Â£3.23).