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Recurrent Laryngeal n Recurrent Laryngeal n Internal Laryngeal n Piriform Recess Internal Laryngeal n Recurrent Laryngeal n Posterior Cricoarytenoid m Thyrohyoid m Figure 11. Roya Azadarmaki et al. Annal of Otology Rhinolgy Laryngology. , August 2009, 118(8) ;587-591. Surgical anatomy. Surgical anatomy. RLN contains 500-1000 motor axons , most of which pass to the adductors (LCA , TA, IA). Life before the Laryngeal Mask Airway (LMA). Life before the Laryngeal Mask Airway (LMA). Options for Ventilation. Previous methods. Bag Mask Ventilation. Endotracheal intubation. The Development of the LMA . Lectures. . Objectives. Describe . the . structure . of . nasal . cavity . including . nasal. . septum.. Describe . the . structure . of . lateral . wall . of . nasal . cavity . including . conchae . Laryngeal tumours can be classified into benign and malignant.. .Benign tumours . are rare and include the following types.. 1.Papilloma . it may be single in adult or multiple in infants and children ,this type was discussed under the subject of stridor.. Indications for alternative airways. Selection and preparation of Equipment. How to use a laryngoscope. How to determine if endotracheal tube is in trachea. When to consider using a laryngeal mask for PPV. Al-. Anbaky. STRIDOR. Stridor. is . an abnormal. a high-pitched, wheezing (musical) sound or harsh sound caused by disrupted (. turbilant. ) airflow. Airflow is usually disrupted by a blockage(partially obstructed) in the larynx (voice box) or trachea (windpipe). . laryngeal cancer accounts for about one-fourth of head and neck cancer diagnosed annually.. male-to-female ratio for larynx cancer is 4:1. lower socioeconomic groups .. Introduction :. The . supraglottis. Laryngeal. Prominence. Cricothyroid m. (Cut). Thyrohyoid m.. Figure 1.2. Cricoid Cartilage. Thyroid Cartilage. Cricothyroid m.. Sternothyroid m. (Cut). Thyrohyoid m.. Laryngeal. Prominence. Figure 1.1.  American Comprehensive Laryngology Curriculum www.alahns.org Updated 4/15/2019 by Hagit Shoffel - Havakuk, MD Inflammatory and Autoimmune Disorders of the Larynx Since t he larynx is the crossr  Comprehensive Laryngology Curriculum www.alahns.org Updated 6/1 5/2019 Robbi A. Kupfer, MD Saccular Cysts and Laryngoceles Background o Normal anatomy: The laryngeal saccule is an outpouching fro Tomas Fernandez M; 3 rd year ENT resident, Son Espases University Hospital INTRODUCTION  Laryngeal cancer constitutes 1 - 2% of all malignancies diagnosed worldwide  Survival is related to sta , ENT lecturer. . Basra Medical College. . Anatomy and Physiology of the larynx . The larynx lies in the front of the hypopharynx opposite the third to sixth cervical vertebrae. . It moves vertically and in anteroposterior direction during swallowing and phonation .. KAREEM. Stridor is an abnormal . high_pitched. . ,musical sound due to blockage or partial obstruction in the larynx or trachea and should be differentiated from . stertor. which is low_ pitched ,noisy breath generated at the level of the . Laryngeal cartilages. Epiglottis. Thyroid. Cricoid. Arytenoids. Corniculate and Cuneiform. Elastic Tissues of Larynx. Intrinsic. Quadrangular membrane of supraglottic. Conus Elasticus of glottic and subglottic.