Tonsillectomy is a surgical procedure in which together palatine tonsils (hereafter called "tonsils") are removed from a recess in the side of the pharynx called the tonsillar fossa. The method is performed in response to repetitive occurrence of acute tonsillitis, sleep surgery for obstructive sleep apnea, nasal airway obstruction, diphtheria transporter state, snoring, or peritonsillar abscess. For children, tonsillectomy is usually combined with an adenoidectomy, which is the exclusion of the adenoid (also known as the "pharyngeal tonsil" or "nasopharyngeal tonsil"). The amalgamation of these two procedures is called an "adenotonsillectomy" or "T&A". Adenoidectomy is special in adults in whom the adenoid is much slighter than in children and rarely causes problems.