Mast cell activation syndrome (MCAS) is a condition that occurs when the mast cells in your body release too much of a substance that causes allergy-like symptoms. Mast cells are part of your immune ...

Mast cell sarcoma is a rare, aggressive neoplasm composed of cytologically malignant mast cells presenting as a solitary mass. Previous descriptions of mast cell sarcoma have been limited to single ...

Systemic mastocytosis is a rare blood cancer in which abnormal mast cells (a type of white blood cell) build up in your skin and other organs. You might get a variety of symptoms, including itchy skin ...

Mast cells have been most widely studied in the context of allergic disease, but they have been clearly shown to have a crucial role in host defence in vivo against several bacterial and parasitic ...