Tumors of the external auditory canal

Chondrodermatitis nodularis chronica helicis

Cystic chondromalacia

Exostosis (osteoma) of the ear

Ceruminous adenoma

Ceruminous adenocarcinoma

Squamous cell carcinoma of the external auditory canal

Tumors of the middle and inner ear

Otosclerosis

Cholesteatoma

Middle ear papilloma

Vestibular schwannoma

Middle ear neuroendocrine tumor

Endolymphatic sac tumor

Middle ear squamous cell carcinoma

Middle ear adenocarcinoma

Nevoid basal cell carcinoma syndrome (Gorlin syndrome)

Neurofibromatosis type 1

Familial adenomatous polyposis, extraintestinal manifestations

Brooke-Spiegler syndrome

Cowden syndrome

Familial paraganglioma syndromes

Multiple endocrine neoplasia type 2

Hyperparathyroidism-jaw tumor syndrome

Li-Fraumeni syndrome

Fanconi anemia

Dyskeratosis congenita

Ataxia-telangiectasia

Bloom syndrome

Von Hippel-Lindau syndrome

Tuberous sclerosis

Germ cell tumors of the head and neck

Reactive hematolymphoid and related lesions

Reactive lymphoid hyperplasia

EBV-positive mucocutaneous ulcer

IgG4-related disease

Myeloid tumors

Myeloid sarcoma

B-cell lymphomas

Extranodal marginal zone lymphoma of mucosa-associated lymphoid tissue

Mantle cell lymphoma

Follicular lymphoma

Pediatric-type follicular lymphoma

Large B-cell lymphoma with IRF4 rearrangement

Diffuse large B-cell lymphoma

Burkitt lymphoma

Plasmacytoma

Plasmablastic lymphoma

T/NK-cell tumors

T-lymphoblastic leukemia/lymphoma

Primary mucosal CD30-positive T-cell lymphoprolfierative disorder

Extranodal NK/T-cell lymphoma

Hodgkin lymphoma

Hodgkin lymphoma

Histiocytic and dendritic cell tumors

Juvenile xanthogranuloma

Erdheim-Chester disease

Rosai-Dorfman disease

Langerhans cell histiocytosis

Follicular dendritic cell sarcoma

Precursor lesions

Squamous papilloma and papillomatosis

Laryngeal and hypopharyngeal epithelial dysplasia

Squamous cell carcinomas

Conventional squamous cell carcinoma

Verrucous carcinoma of the hypopharynx, larynx, trachea, and parapharyngeal space

Basaloid squamous cell carcinoma

Papillary squamous cell carcinoma

Spindle cell squamous carcinoma

Adenosquamous carcinoma

Lymphoepithelial carcinoma of the larynx

Mesenchymal tumors unique to the hypopharynx, larynx, trachea, and parapharyngeal space

Laryngeal cartilaginous tumors

Mucosal melanoma

Metastases to the head and neck region

Hamartomas

Respiratory epithelial adenomatoid hamartoma

Seromucinous hamartoma

Nasal chondromesenchymal hamartoma

Respiratory epithelial lesions

Sinonasal papillomas

Sinonasal papilloma, inverted

Sinonasal papilloma, oncocytic

Sinonasal papilloma, exophytic

Carcinomas

Keratinizing squamous cell carcinoma

Non-keratinizing squamous cell carcinoma

NUT carcinoma

SWI/SNF complex-deficient sinonasal carcinoma

Sinonasal lymphoepithelial carcinoma

Sinonasal undifferentiated carcinoma

Teratocarcinosarcoma

HPV related multiphenotypic sinonasal carcinoma

Adenocarcinomas

Intestinal-type sinonasal adenocarcinoma

Non-intestinal type sinonasal adenocarcinoma

Mesenchymal tumors of the sinonasal tract

Sinonasal tract angiofibroma

Sinonasal glomangiopericytoma

Biphenotypic sinonasal sarcoma

Chordoma

Other sinonasal tumors

Sinonasal ameloblastoma

Adamantinomatous craniopharyngioma

Meningioma of the sinonasal tract, ear and temporal bone

Olfactory neuroblastoma

Hamartomas

Hairy polyp

Salivary gland anlage tumor

Carcinomas

Low grade nasopharyngeal papillary adenocarcinoma

Nasopharyngeal carcinoma

Neuroendocrine neoplasms

Neuroendocrine tumors

Neuroendocrine tumor

Ectopic or invasive PitNET/pituitary adenoma

Neuroendocrine carcinomas

Small cell neuroendocrine carcinoma

Large cell neuroendocrine carcinoma

Merkel cell carcinoma

Paraganglion tumors

Head and neck paraganglioma

Cysts of the jaws

Radicular cyst

Inflammatory collateral cysts

Surgical ciliated cyst

Nasopalatine duct cyst

Gingival cysts

Dentigerous cyst

Orthokeratinized odontogenic cyst

Lateral periodontal cyst and botryoid odontogenic cyst

Calcifying odontogenic cyst

Glandular odontogenic cyst

Odontogenic keratocyst

Odontogenic tumors

Benign epithelial odontogenic tumors

Adenomatoid odontogenic tumor

Squamous odontogenic tumor

Calcifying epithelial odontogenic tumor

Ameloblastoma, unicystic

Ameloblastoma, extraosseous/peripheral

Ameloblastoma, conventional

Adenoid ameloblastoma

Metastasizing ameloblastoma

Benign mixed epithelial and mesenchymal odontogenic tumors

Odontoma

Primordial odontogenic tumor

Ameloblastic fibroma

Dentinogenic ghost cell tumor

Benign mesenchymal odontogenic tumors

Odontogenic fibroma

Cementoblastoma

Cemento-ossifying fibroma

Odontogenic myxoma

Malignant odontogenic tumors

Sclerosing odontogenic carcinoma

Ameloblastic carcinoma

Clear cell odontogenic carcinoma

Ghost cell odontogenic carcinoma

Primary intraosseous carcinoma NOS

Odonotogenic carcinosarcoma

Odontogenic sarcomas

Giant cell lesions and bone cysts

Central giant cel granuloma

Peripheral giant cell granuloma

Cherubism

Aneurysmal bone cyst

Simple bone cyst

Bone and cartilage tumors

Fibro-osseous tumors and dysplasias

Cemento-osseous dysplasia

Segmental odontomaxillary dysplasia

Fibrous dysplasia

Juvenile trabecular ossifying fibroma

Psammomatoid ossifying fibroma

Familial gigantiform cementoma

Benign maxillofacial bone and cartilage tumors

Osteoma

Osteochondroma

Osteoblastoma

Chondroblastoma

Chondromyxoid fibroma

Desmoplastic fibroma of bone

Malignant maxillofacial bone and cartilage tumors

Osteosarcoma of the jaw

The chondrosarcoma family of tumors

Mesenchymal chondrosarcoma

Rhabdomyosarcoma with TFCP2 rearrangement

Non-neoplastic lesions

Necrotizing sialometaplasia

Multifocal epithelial hyperplasia

Oral melanoacanthoma

Epithelial tumors

Papillomas

Squamous papilloma

Oral potentially malignant disorders and oral epithelial dysplasia

Oral potentially malignant disorders

Proliferative verrucous leukoplakia

Submucous fibrosis

Oral epithelial dysplasia

HPV-assoicated oral epithelial dysplasia

Squamous cell carcinoma

Oral squamous cell carcinoma

Verrucous carcinoma of the oral cavity and mobile tongue

Carcinoma cuniculatum

Tumors of uncertain histogenesis

Congenital granular cell epulis

Granular cell tumor

Ectomesenchymal chondromyxoid tumor

Melanotic neuroectodermal tumor of infancy

Benign oropharyngeal lesions

Hamartomatous polyps

Epithelial tumors

Squamous cell carcinoma

Squamous cell carcinoma, HPV-associated

Squamous cell carcinoma, HPV-independent

Non-neoplastic epithelial lesions

Nodular oncocytic hyperplasia

Lymphoepithelial sialadenitis

Benign epithelial tumors

Pleomorphic adenoma

Basal cell adenoma

Warthin tumor

Oncocytoma

Salivary gland myoepithelioma

Canalicular adenoma

Cystadenoma of the salivary glands

Ductal papillomas

Sialadenoma papilliferum

Lymphadenoma

Sebaceous adenoma

Intercalated duct adenoma and hyperplasia

Striated duct adenoma

Sclerosing polycystic adenoma

Keratocystoma

Malignant epithelial tumors

Mucoepidermoid carcinoma

Adenoid cystic carcinoma

Acinic cell carcinoma

Secretory carcinoma

Microsecretory adenocarcinoma

Polymorphous adenocarcinoma

Hyalinizing clear cell carcinoma

Basal cell adenocarcinoma

Intraductal carcinoma

Salivary duct carcinoma

Myoepithelial carcinoma

Epithelial-myoepithelial carcinoma

Mucinous adenocarcinoma

Sclerosing microcystic adenocarcinoma

Carcinoma ex pleomorphic adenoma

Carcinosarcoma of the salivary glands

Sebaceous adenocarcinoma

Lymphoepithelial carcinoma

Squamous cell carcinoma

Sialoblastoma

Salivary gland carcinoma NOS

Mesenchymal tumors specific to the salivary glands

Sialolipoma

Adipocytic tumors

Lipomas

Liposarcomas

Fibroblastic and myofibroblastic tumors

Nodular fasciitis

Desmoid fibromatosis

Solitary fibrous tumor

Low-grade myofibroblastic sarcoma

Inflammatory myofibroblastic tumor

Vascular tumors

Hemangioma

Epithelioid hemangioma

Lymphangioma

Epithelioid hemangioendothelioma

Kaposi sarcoma

Angiosarcoma

Pericytic (perivascular) tumors

Myofibroma

Smooth muscle tumors

Leiomyoma and angioleiomyoma

EBV-associated smooth muscle tumor

Smooth muscle tumor of uncertain malignant potential

Leiomyosarcoma

Skeletal muscle tumors

Rhabdomyoma

Rhabdomyosarcomas

Chondro-osseous tumors

Chondroma

Peripheral nerve sheath tumors

Neurofibroma

Schwannoma

Neuromas

Malignant peripheral nerve sheath tumor

Tumors of uncertain differentiation

Phosphaturic mesenchymal tumor

Myxoma

Extraskeletal myxoid chondrosarcoma

Synovial sarcoma

GLI1-altered soft tissue tumor

Undifferentiated sarcoma

Undifferentiated small round cell sarcomas of bone and soft tissue

Ewing

Cyst and cyst-like lesions

Ranula

Lymphoepithelial cyst

Branchial cleft cyst

Thyroglossal duct cyst

Dermoid and teratoid cysts

Other tumors of the neck and lymph nodes

Branchioma

Heterotopia-associated carcinoma

Squamous carcinoma of unknown primary site