Mast cell activation syndrome is a condition that causes mast cells to release an inappropriate amount of chemicals into your body. This causes allergy symptoms and a wide range of other symptoms.

Mast cells can function as effector and immunoregulatory cells in immunoglobulin E–associated allergic disorders, as well as in certain innate and adaptive immune responses. This review focuses on ...

Mast cell tumors (MCTs) are the second most common skin tumor in cats. Feline mast cell tumors are commonly found in the head, neck, and limbs. If your cat has cutaneous mast cell tumors, it can ...

Depending on one's perspective, "mast cell activation syndrome (MCAS)" is either a relatively rare, narrowly defined severe allergic condition or a vastly under-recognized underlying cause of multiple ...

Mast cell leukemia (MCL) is a rare type of blood cell cancer. It causes the body to produce a large number of mast cells that can affect different areas of the body. MCL is a subtype of mastocytosis.

Mast cell activation syndrome, or disease (MCAS), is a condition that causes mast cells to release these substances too frequently, resulting in severe allergic reactions. After detecting an allergen, ...