Abby Jackson Â· Business Insider 01 Sep 2017. South Africa just saw its credit rating downgraded after two of the three major ratings agencies issued depressing assessments of the state of the countryâs economy.
Mastocytosis (say âmas-toe-sigh-toe-sisâ) is a rare disease of the skin (the most common form), or of other parts of the body (very rare), like the stomach, the intestines and the bone marrow.It's caused by having too many mast cells. Mast cells are a kind of blood cell.Mastocytosis can occur at any age.astocytosis (say âmas-toe-sigh-toe-sisâ) is a rare disease of the skin (the most common form), or of other parts of the body (very rare), like the stomach, the intestines and the bone marrow.
Mastocytosis and Mast Cell Activation Disorders Resources. Mastocytosis is a rare disorder characterized by abnormal accumulations of mast cells in skin, bone marrow, and internal organs such as the liver, spleen and lymph nodes.n the disorders of mast cell activation, mast cells are easily triggered to release their mediators, resulting in many of the same symptoms as systemic mastocytosis. Source: Participating patient organizations visible below.