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 Stenosis
Lymph Nodes
Lymph Node Overview
Infectious and Inflammatory Lesions
Reactive Lymph Nodes
Suppurative Lymph Nodes
Tuberculous Lymph Nodes
Non-TB Mycobacterium Nodes
Sarcoidosis Lymph Nodes
Giant Lymph Node Hyperplasia (Castleman)
Histiocytic Necrotizing Lymphadenitis (Kikuchi)
Kimura Disease
Malignant Tumors
Nodal Non-Hodgkin Lymphoma in Neck
Nodal Hodgkin Lymphoma in Neck
Nodal Differentiated Thyroid Carcinoma
Systemic Nodal Metastases in Neck
Transspatial and Multispatial
Transspatial & Multispatial Overview
Normal Variants
Prominent Thoracic Duct in Neck
Benign Tumors
Lipoma of Head and Neck
Plexiform Neurofibroma of Head and Neck
Malignant Tumors
Posttransplantation Lymphoproliferative Disorder
Non-Hodgkin Lymphoma of Head and Neck
Miscellaneous
Lymphocele of Neck
Sinus Histiocytosis (Rosai-Dorfman) of Head and Neck
Fibromatosis of Head and Neck
Oral Cavity
Oral Cavity Overview
Pseudolesions
Hypoglossal Nerve Motor Denervation
Congenital Lesions
Submandibular Space Accessory Salivary Tissue
Oral Cavity Dermoid and Epidermoid
Oral Cavity Lymphatic Malformation
Lingual Thyroid
Infectious and Inflammatory Lesions
Ranula
Oral Cavity Sialocele
Submandibular Gland Sialadenitis
Oral Cavity Abscess
Benign Tumors
Submandibular Gland Benign Mixed Tumor
Palate Benign Mixed Tumor
Malignant Tumors
Sublingual Gland Carcinoma
Submandibular Gland Carcinoma
Oral Cavity Minor Salivary Gland Malignancy
Submandibular Space Nodal Non-Hodgkin Lymphoma
Submandibular Space Nodal Squamous Cell Carcinoma
Mandible-Maxilla and Temporomandibular Joint
Mandible-Maxilla and TMJ Overview
Congenital Lesions
Solitary Median Maxillary Central Incisor
Nonneoplastic Cysts
Nasolabial Cyst
Periapical Cyst (Radicular)
Dentigerous Cyst
Simple Bone Cyst (Traumatic)
Nasopalatine Duct Cyst
Infectious and Inflammatory Lesions
TMJ Juvenile Idiopathic Arthritis
Mandible-Maxilla Osteomyelitis
Tumor-like Lesions
TMJ Calcium Pyrophosphate Dihydrate Deposition Disease
TMJ Pigmented Villonodular Synovitis
TMJ Synovial Chondromatosis
Benign and Malignant Tumors
Ameloblastoma
Keratocystic Odontogenic Tumor (Odontogenic Keratocyst)
Mandible-Maxilla Osteosarcoma
Treatment-related Lesions
Mandible-Maxilla Osteoradionecrosis
Mandible-Maxilla Osteonecrosis
SECTION 2: Squamous Cell Carcinoma
Squamous Cell Carcinoma Introduction and Overview
Primary Sites, Perineural Tumor and Nodes
Nasopharyngeal Carcinoma
Nasopharyngeal Carcinoma
Oropharyngeal Carcinoma
Base of Tongue Squamous Cell Carcinoma
Palatine Tonsil Squamous Cell Carcinoma
Posterior Oropharyngeal Wall Squamous Cell Carcinoma
HPV-related Oropharyngeal Squamous Cell Carcinoma
Oral Cavity Carcinoma
Oral Tongue Squamous Cell Carcinoma
Floor of Mouth Squamous Cell Carcinoma
Alveolar Ridge Squamous Cell Carcinoma
Retromolar Trigone Squamous Cell Carcinoma
Buccal Mucosa Squamous Cell Carcinoma
Hard Palate Squamous Cell Carcinoma
Hypopharyngeal Carcinoma
Pyriform Sinus Squamous Cell Carcinoma
Postcricoid Region Squamous Cell Carcinoma
Posterior Hypopharyngeal Wall Squamous Cell Carcinoma
Laryngeal Carcinoma
Supraglottic Laryngeal Squamous Cell Carcinoma
Glottic Laryngeal Squamous Cell Carcinoma
Subglottic Laryngeal Squamous Cell Carcinoma
Laryngeal Squamous Cell Carcinoma With Secondary Laryngocele
Perineural Tumor
172 Perineural Tumor Spread
Squamous Cell Carcinoma Lymph Nodes
Nodal Squamous Cell Carcinoma
Post-Treatment Neck
Nodal Dissection in Neck
Reconstruction Flaps in Neck
Expected Changes of Neck Radiation Therapy
Complications of Neck Radiation Therapy
Osteoradionecrosis
Post Laryngectomy
SECTION 3: Pediatric and Syndromic Diseases
Pediatric Lesions
Congenital Overview
Congenital Lesions
Lymphatic Malformation
Venous Malformation
Congenital Vallecular Cyst
Cervical Thymic Cyst
1st Branchial Cleft Cyst
2nd Branchial Cleft Cyst
3rd Branchial Cleft Cyst
4th Branchial Cleft Cyst
Dermoid and Epidermoid
Trauma
Fibromatosis Colli
Benign Tumors
Infantile Hemangioma
Malignant Tumors
Rhabdomyosarcoma
Syndromic Diseases
Neurofibromatosis Type 1
Neurofibromatosis Type 2
Basal Cell Nevus Syndrome
Branchiootorenal Syndrome
CHARGE Syndrome
Hemifacial Microsomia
Treacher Collins Syndrome
Pierre Robin Sequence
X-Linked Stapes Gusher (DFNX2)
McCune-Albright Syndrome
Cherubism
SECTION 4: Sinonasal Cavities and Orbit
Nose and Sinus
Sinonasal Overview
Congenital Lesions
Nasolacrimal Duct Mucocele
Choanal Atresia
Nasal Glioma
Nasal Dermal Sinus
Frontoethmoidal Cephalocele
Congenital Nasal Pyriform Aperture Stenosis
Infectious and Inflammatory Lesions
Acute Rhinosinusitis
Chronic Rhinosinusitis
Complications of Rhinosinusitis
Allergic Fungal Sinusitis
Sinus Mycetoma
Invasive Fungal Sinusitis
Sinonasal Polyposis
Solitary Sinonasal Polyp
Sinonasal Mucocele
Silent Sinus Syndrome
Granulomatosis With Polyangiitis (Wegener)
Nasal Cocaine Necrosis
Benign Tumors and Tumor-like Lesions
Sinonasal Fibrous Dysplasia
Sinonasal Osteoma
Sinonasal Ossifying Fibroma
Juvenile Angiofibroma
Sinonasal Inverted Papilloma
Sinonasal Hemangioma
Malignant Tumors
Sinonasal Squamous Cell Carcinoma
Esthesioneuroblastoma
Sinonasal Adenocarcinoma
Sinonasal Melanoma
Sinonasal Non-Hodgkin Lymphoma
Sinonasal Undifferentiated Carcinoma
Sinonasal Adenoid Cystic Carcinoma
Sinonasal Chondrosarcoma
Orbit
Orbit Overview
Congenital Lesions
Coloboma
Orbital Dermoid and Epidermoid
Vascular Lesions
Orbital Lymphatic Malformation
Orbital Cavernous Venous Malformation (Hemangioma)
Infectious and Inflammatory Lesions
Orbital Subperiosteal Abscess
Orbital Cellulitis
Idiopathic Orbital Inflammatory (Pseudotumor)
Thyroid-Associated Orbitopathy
Optic Neuritis
Benign Tumors
Orbital Infantile Hemangioma
Optic Nerve Sheath Meningioma
Malignant Tumors
Retinoblastoma
SECTION 5: Skull Base
Skull Base Lesions
Skull Base Overview
Clivus
Ecchordosis Physaliphora
Invasive Pituitary Macroadenoma
Chordoma
Sphenoid Bone
Persistent Craniopharyngeal Canal
Sphenoid Benign Fatty Lesion
Central Skull Base Trigeminal Schwannoma
Occipital Bone
Hypoglossal Nerve Schwannoma
Jugular Foramen
Jugular Bulb Pseudolesion
High Jugular Bulb
Dehiscent Jugular Bulb
Jugular Bulb Diverticulum
Glomus Jugulare Paraganglioma
Jugular Foramen Schwannoma
Jugular Foramen Meningioma
Dural Sinuses
Dural Sinus and Aberrant Arachnoid Granulations
Skull Base Dural Sinus Thrombosis
Cavernous Sinus Thrombosis
Dural Arteriovenous Fistula
Diffuse or Multifocal Skull Base Disease
Skull Base Cephalocele
Skull Base CSF Leak
Skull Base Fibrous Dysplasia
Skull Base Paget Disease
Skull Base Langerhans Cell Histiocytosis
Skull Base Osteopetrosis
Skull Base Idiopathic Inflammatory Pseudotumor
Skull Base Giant Cell Tumor
Skull Base Meningioma
Skull Base Plasmacytoma
Skull Base Multiple Myeloma
Skull Base Metastasis
Skull Base Chondrosarcoma
Skull Base Osteosarcoma
Skull Base and Facial Trauma
Skull Base and Facial Trauma Overview
Skull Base
Temporal Bone Fractures
Ossicular Dislocations and Disruptions
Skull Base Trauma
Facial Bones
Orbital Foreign Body
Orbital Blowout Fracture
Transfacial Fractures (Le Fort)
Zygomaticomaxillary Complex Fracture
Complex Facial Fracture
Nasoorbitalethmoidal Fracture
Mandible Fracture
SECTION 6: Temporal Bone and CPA-IAC
Introduction and Overview
Temporal Bone Overview
External Auditory Canal
Congenital Lesions
Foramen Tympanicum