Large tonsillolith: Possible cause of sleep-disordered breathing

a Department of Otolaryngology Head and Neck Surgery, Cathay General Hospital, Taipei, Taiwan b School of Medicine, Fu Jen Catholic University, Taipei, Taiwan c Department of Otolaryngology Head and Neck Surgery, Taipei Medical University-Shuang Ho Hospital, Taipei, Taiwan d Department of Otolaryngology, Taipei Medical University Hospital, Taipei, Taiwan e Department of Otolaryngology, School of Medicine, Taipei Medical University, Taipei, Taiwan