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, ...

For many patients with diverse and seemingly unrelated symptoms, obtaining an accurate diagnosis can take years of specialist visits and inconclusive tests. Mast cell activation syndrome, a disorder ...

This scanning electron microscopy image captures the moment where degranulating mast cells (pseudo-colored in sepia) attract and start to incorporate living neutrophils (pseudo-colored in cyan), ...

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.