SECTION 1: Suprahyoid and Infrahyoid Neck Introduction and Overview Suprahyoid and Infrahyoid Neck Overview Parapharyngeal Space Parapharyngeal Space Overview Benign Tumors Parapharyngeal Space Benign Mixed Tumor Pharyngeal Mucosal Space Pharynx Overview Congenital Lesions Tornwaldt Cyst Infectious and Inflammatory Lesions Retention Cyst of Pharyngeal Mucosal Space Tonsillar Inflammation Tonsillar/Peritonsillar Abscess Benign and Malignant Tumors Minor Salivary Gland Malignancy of Pharyngeal Surface Non-Hodgkin Lymphoma of Pharyngeal Mucosal Space Masticator Space Masticator Space Overview Pseudolesions Pterygoid Venous Plexus Asymmetry Benign Masticator Muscle Hypertrophy CNV3 Motor Denervation Infectious Lesions Masticator Space Abscess Benign Tumors Masticator Space CNV3 Schwannoma Malignant Tumors Masticator Space CNV3 Perineural Tumor Masticator Space Chondrosarcoma Masticator Space Sarcoma Parotid Space Parotid Space Overview Infectious and Inflammatory Lesions Acute Parotitis Parotid Sjogren Syndrome Benign Lymphoepithelial Lesions-HIV Benign Tumors Parotid Benign Mixed Tumor Warthin Tumor Malignant Tumors Parotid Mucoepidermoid Carcinoma Parotid Adenoid Cystic Carcinoma Parotid Non-Hodgkin Lymphoma Metastatic Disease of Parotid Nodes Carotid Space Carotid Space Overview Normal Variants Tortuous Carotid Artery in Neck Vascular Lesions Carotid Artery Dissection in Neck Carotid Artery Pseudoaneurysm in Neck Carotid Artery Fibromuscular Dysplasia in Neck Acute Idiopathic Carotidynia Jugular Vein Thrombosis Post-Pharyngitis Venous Thrombosis (Lemierre) Benign Tumors Carotid Body Paraganglioma Glomus Vagale Paraganglioma Carotid Space Schwannoma Sympathetic Schwannoma Carotid Space Neurofibroma Retropharyngeal Space Retropharyngeal Space Overview Infectious and Inflammatory Lesions Reactive Adenopathy of Retropharyngeal Space Suppurative Adenopathy of Retropharyngeal Space Retropharyngeal Space Abscess Retropharyngeal Space Edema Metastatic Tumors Nodal Squamous Cell Carcinoma of Retropharyngeal Space Nodal Non-Hodgkin Lymphoma in Retropharyngeal Space Perivertebral Space Perivertebral Space Overview Pseudolesions Infectious and Inflammatory Lesions Acute Calcific Longus Colli Tendonitis Perivertebral Space Infection Vascular Lesions Vertebral Artery Dissection in Neck Benign and Malignant Tumors Brachial Plexus Schwannoma in Perivertebral Space Chordoma in Perivertebral Space Vertebral Body Metastasis in Perivertebral Space Posterior Cervical Space Posterior Cervical Space Overview Benign Tumors Posterior Cervical Space Schwannoma Metastatic Tumors Squamous Cell Carcinoma in Spinal Accessory Node Visceral Space Visceral Space Overview Inflammatory Lesions Chronic Lymphocytic Thyroiditis (Hashimoto) Metabolic Disease Multinodular Goiter Benign Tumors Thyroid Adenoma Parathyroid Adenoma in Visceral Space Malignant Tumors Differentiated Thyroid Carcinoma Medullary Thyroid Carcinoma Anaplastic Thyroid Carcinoma Non-Hodgkin Lymphoma of Thyroid Thyroglossal Duct Cyst Carcinoma Cervical Esophageal Carcinoma Miscellaneous Esophagopharyngeal Diverticulum (Zenker) Colloid Cyst of Thyroid Lateral Cervical Esophageal Diverticulum Hypopharynx, Larynx, and Cervical Trachea Hypopharynx, Larynx, & Trachea Overview Infectious and Inflammatory Lesions Croup Epiglottitis in a Child Supraglottits Trauma Laryngeal Trauma Benign and Malignant Tumors Upper Airway Infantile Hemangioma Laryngeal Chondrosarcoma Treatment-related Lesions Post-Radiation Larynx Miscellaneous Laryngocele Vocal Cord Paralysis Acquired Subglottic-Tracheal S ukryj opis