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 mass-toe-sigh-toe-sis) is the abnormal growth of mast cells in the body. Mast cells are part of the immune system, which helps protect your body against infection. The most common form of mastocytosis is when mast cells accumulate on the skin, causing reddish-brown spots or bumps.In rare cases, mastocytosis can affect other parts of the body, such as the stomach, the intestines and the bone marrow. Mastocytosis can occur in people of any age.he most common form of mastocytosis is when mast cells accumulate on the skin, causing reddish-brown spots or bumps. In rare cases, mastocytosis can affect other parts of the body, such as the stomach, the intestines and the bone marrow. Mastocytosis can occur in people of any age.
1 To help diagnose mastocytosis or a mast cell activation disorder. 2  Mastocytosis is a rare group of disorders associated with an abnormal increase in the number of mast cells, which may accumulate in the skin (cutaneous mastocytosis) or in organs throughout the body (systemic mastocytosis).f systemic mastocytosis is suspected, an elevated tryptase test may be followed by a bone marrow aspiration and biopsy to determine if systemic mastocytosis is present. Typically, there are increased numbers of mast cells in the bone marrow in this disease.