syndrome AE mast cell activation syndrome AE 肥大细胞激活综合征 This is an AE which is one type of mast cell activation disorder (MCAD), and is an immunological condition in which mast cells inappropriately and excessively release chemical mediators, resulting in a range of chronic symptoms, sometimes including anaphylaxis or near-anaphylaxis attacks. 10075217 http://en.volupedia.org/wiki/Mast_cell_activation_syndrome QY, JX, HY