The etiology, pathology, clinical manifestations, diagnosis, differential diagnosis and treatment of peritonsillar abscess. The etiology, pathology, clinical manifestations, diagnosis and treatment of retropharyngeal abscess. The etiology, clinical manifestations, diagnosis and treatment of parapharyngeal abscess 7. Tumors of the pharynx The clinical manifestations, diagnosis and treatment of nasopharyngeal fibroangioma The etiology, clinical manifestations, diagnosis and treatment of nasopharyngeal carcinoma Chapter 3 Laryngology Objectives 1. Clinical anatomy and physiological functions of the lary cognizing cartilage framework of the larynx(the role and clinical significance of cricoid cartilage) laryngeal muscles, structure of the laryngeal cavity(supraglottic, glottic and infraglottic portion), nerves and lymph nodes of the larynx. Recognizing the anatomical features and clinical significance of the larynx in children. Recognizing the physiological functions of the larynx 2. Examination of the larynx: Recognizing indirect laryngoscopy. Knowing direct laryngoscopy, fibrolaryngoscopy, microlaryngoscopy, strobolaryngoscope, investigation methods of laryngeal functions and imaging studies of the larynx. 3. Inflammation of larynx: Recognizing the clinical manifestations, diagnosis and treatment of acute laryngitis, chronic laryngitis, acute laryngitis in children and acute epiglottitis. Knowing the difference of chronic laryngitis from polyp of vocal cord vocal nodules and hysterical aphonia and the prevention and treatment algorithmThe etiology, pathology, clinical manifestations, diagnosis, differential diagnosis and treatment of peritonsillar abscess. The etiology, pathology, clinical manifestations, diagnosis and treatment of retropharyngeal abscess. The etiology, clinical manifestations, diagnosis and treatment of parapharyngeal abscess. 7. Tumors of the pharynx The clinical manifestations, diagnosis and treatment of nasopharyngeal fibroangioma. The etiology, clinical manifestations, diagnosis and treatment of nasopharyngeal carcinoma. Chapter 3 Laryngology Objectives: 1. Clinical anatomy and physiological functions of the larynx: Recognizing cartilage framework of the larynx (the role and clinical significance of cricoid cartilage), laryngeal muscles, structure of the laryngeal cavity (supraglottic, glottic and infraglottic portion), nerves and lymph nodes of the larynx. Recognizing the anatomical features and clinical significance of the larynx in children. Recognizing the physiological functions of the larynx. 2. Examination of the larynx: Recognizing indirect laryngoscopy. Knowing direct laryngoscopy, fibrolaryngoscopy, microlaryngoscopy, strobolaryngoscopy, investigation methods of laryngeal functions and imaging studies of the larynx. 3. Inflammation of larynx: Recognizing the clinical manifestations, diagnosis and treatment of acute laryngitis, chronic laryngitis, acute laryngitis in children and acute epiglottitis. Knowing the difference of chronic laryngitis from polyp of vocal cord, vocal nodules and hysterical aphonia and the prevention and treatment algorithm