Abstract
Tonsil and adenoid hyperplasia (AH) is the main cause of the syndrome of obstructive sleep apnea in children and does not have fully understood etiology. It is suggested an association with allergic diseases such as rhinitis.Allergies have leukotrienes as a key modulator. The most studied receptors are CysLT1R and CysLT2R which are expressed on lymphocytes and other cells, especially in s…