Diagnostic Pathology: Head and Neck

SECTION 1: NASAL CAVITY AND PARANASAL SINUSES 4 Nose and Paranasal Sinuses Lester D. R. Thompson, MD and Jonathan B. McHugh, MD CONGENITAL/GENETIC/HEREDITARY 6 Nasal Neuroglial Heterotopia Lester D. R. Thompson, MD 8 Nasal Dermoid Cyst and Sinus Lester D. R. Thompson, MD 10 Primary Ciliary Dyskinesia Bruce M. Wenig, MD INFECTIOUS 12 Allergic Fungal Sinusitis Lester D. R. Thompson, MD 16 Mycetoma Lester D. R. Thompson, MD 17 Rhinoscleroma Lester D. R. Thompson, MD 18 Invasive Fungal Rhinosinusitis Lester D. R. Thompson, MD 20 Rhinosporidiosis Lester D. R. Thompson, MD 22 Mycobacterium leprae Infection Bruce M. Wenig, MD and Lester D. R. Thompson, MD INFLAMMATORY-IMMUNE DYSFUNCTION 24 Chronic Rhinosinusitis Brenda L. Nelson, DDS, MS 28 Granulomatosis With Polyangiitis Susan Muller, DMD, MS 34 Eosinophilic Angiocentric Fibrosis Lester D. R. Thompson, MD REACTIVE 38 Sinonasal Inflammatory Polyp Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 42 Antrochoanal Polyp Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 44 Sinonasal Hamartoma Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 50 Mucocele of Paranasal Sinus Lester D. R. Thompson, MD
52 Extranodal Sinus Histiocytosis With Massive Lymphadenopathy Susan Muller, DMD, MS 56 Myospherulosis Lester D. R. Thompson, MD BENIGN NEOPLASM 58 Sinonasal Papilloma Lester D. R. Thompson, MD 66 Pleomorphic Adenoma, Sinonasal Tract Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 68 Ectopic Pituitary Neuroendocrine Tumor Lester D. R. Thompson, MD 74 Meningioma, Sinonasal Tract Lester D. R. Thompson, MD 78 Ameloblastoma, Sinonasal Tract Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 80 Lobular Capillary Hemangioma (Pyogenic Granuloma) Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 84 Schwannoma/Neurofibroma, Sinonasal Tract Lester D. R. Thompson, MD 88 Leiomyoma and Smooth Muscle Tumors of Uncertain Malignant Potential Bruce M. Wenig, MD 92 Fibromatosis/Desmoid-Type Fibromatosis Lester D. R. Thompson, MD 94 Solitary Fibrous Tumor, Sinonasal Tract Lester D. R. Thompson, MD BORDERLINE NEOPLASM 98 Glomangiopericytoma Lester D. R. Thompson, MD MALIGNANT NEOPLASM 102 Squamous Cell Carcinoma, Sinonasal Tract Bruce M. Wenig, MD 108 NUT Carcinoma Lester D. R. Thompson, MD 110 HPV-Related Multiphenotypic Sinonasal Carcinoma Lester D. R. Thompson, MD 114 SMARCB1-Deficient Carcinoma Lester D. R. Thompson, MD 118 Lymphoepithelial Carcinoma, Sinonasal Tract Susan Muller, DMD, MS 120 Sinonasal Undifferentiated Carcinoma Susan Muller, DMD, MS 126 Sinonasal Neuroendocrine Carcinoma Lester D. R. Thompson, MD 130 Sinonasal Adenocarcinoma, Intestinal Type Bruce M. Wenig, MD 136 Sinonasal Nonintestinal-Nonsalivary Adenocarcinoma Bruce M. Wenig, MD 140 Sinonasal Renal Cell-Like Adenocarcinoma Lester D. R. Thompson, MD 142 Olfactory Neuroblastoma Lester D. R. Thompson, MD 152 Mucosal Melanoma, Sinonasal Tract Lester D. R. Thompson, MD 158 Ewing Sarcoma, Including Sinonasal Adamantinoma- Like Lester D. R. Thompson, MD 164 Biphenotypic Sinonasal Sarcoma Lester D. R. Thompson, MD 168 Alveolar Rhabdomyosarcoma, Sinonasal Tract Lester D. R. Thompson, MD 174 Leiomyosarcoma, Sinonasal Tract Lester D. R. Thompson, MD 180 Malignant Peripheral Nerve Sheath Tumor, Sinonasal Tract Lester D. R. Thompson, MD 184 Undifferentiated Pleomorphic Sarcoma, Sinonasal Tract Lester D. R. Thompson, MD 188 Fibrosarcoma, Sinonasal Tract Lester D. R. Thompson, MD 192 Mesenchymal Chondrosarcoma, Sinonasal Tract Lester D. R. Thompson, MD 194 Angiosarcoma, Sinonasal Tract Lester D. R. Thompson, MD 198 Teratocarcinosarcoma Lester D. R. Thompson, MD 204 Extranodal NK-/T-Cell Lymphoma, Nasal Type Aaron Auerbach, MD, MPH 210 Metastatic/Secondary Tumors, Sinonasal Tract Lester D. R. Thompson, MD SPECIMEN EXAMINATION, NASAL CAVITY & PARANASAL SINUSES 212 Specimen Examination and Staging Tools, Oropharynx Lester D. R. Thompson, MD 216 Specimen Examination and Staging Tools, Nasopharynx Lester D. R. Thompson, MD

SECTION 2: OROPHARYNX

SECTION 3: PHARYNX (NASAL, HYPO-) 224 Pharynx Lester D. R. Thompson, MD and Jonathan B. McHugh, MD 
CONGENITAL/GENETIC/HEREDITARY 226 Rathke Cleft Cyst Lester D. R. Thompson, MD 228 Tornwaldt Cyst Lester D. R. Thompson, MD 229 Tangier Disease Lester D. R. Thompson, MD INFECTIOUS 230 Infectious Mononucleosis Aaron Auerbach, MD, MPH 234 HIV Infection of Tonsils and Adenoids Lester D. R. Thompson, MD BENIGN NEOPLASM 238 Nasopharyngeal Angiofibroma Lester D. R. Thompson, MD MALIGNANT NEOPLASM 242 Nasopharyngeal Carcinoma, Nonkeratinizing Types Susan Muller, DMD, MS and Lester D. R. Thompson, MD 252 Nasopharyngeal Carcinoma, Keratinizing Type Susan Muller, DMD, MS 254 Nasopharyngeal Carcinoma, Basaloid Squamous Cell Carcinoma Susan Muller, DMD, MS 258 Low-Grade Nasopharyngeal Papillary Adenocarcinoma Lester D. R. Thompson, MD 262 Diffuse Large B-Cell Lymphoma NOS Aaron Auerbach, MD, MPH

SECTION 4: LARYNX AND TRACHEA 268 EBV-Associated Smooth Muscle Tumor Lester D. R. Thompson, MD 270 Larynx Lester D. R. Thompson, MD and Jonathan B. McHugh, MD CONGENITAL/GENETIC/HEREDITARY 272 Laryngocele and Laryngeal Cysts Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 274 Tracheopathia Osteoplastica Lester D. R. Thompson, MD INFECTIOUS 276 Laryngitis: Viral, Bacterial, Fungal Lester D. R. Thompson, MD REACTIVE 280 Vocal Cord Nodules and Polyps Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 284 Reactive Epithelial Changes Lester D. R. Thompson, MD 288 Contact Ulcer Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS BENIGN NEOPLASM 290 Squamous Papilloma Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 294 Granular Cell Tumor Lester D. R. Thompson, MD 296 Amyloid (Amyloidoma) Lester D. R. Thompson, MD 298 Adult Rhabdomyoma Lester D. R. Thompson, MD 300 Chondroma Lester D. R. Thompson, MD 302 Inflammatory Myofibroblastic Tumor Lester D. R. Thompson, MD 306 Paraganglioma Lester D. R. Thompson, MD MALIGNANT NEOPLASM 308 Keratinizing Dysplasia and Carcinoma In Situ Susan Muller, DMD, MS and Lester D. R. Thompson, MD 316 Conventional Squamous Cell Carcinoma Susan Muller, DMD, MS 324 Verrucous Carcinoma Susan Muller, DMD, MS 328 Spindle Cell Squamous Cell Carcinoma Lester D. R. Thompson, MD 334 Basaloid Squamous Cell Carcinoma Lester D. R. Thompson, MD 338 Papillary Squamous Cell Carcinoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 342 Adenosquamous Carcinoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 346 Neuroendocrine Tumor, Larynx Lester D. R. Thompson, MD 356 Chondrosarcoma Lester D. R. Thompson, MD 360 Metastatic/Secondary Tumors, Larynx and Trachea Lester D. R. Thompson, MD SPECIMEN EXAMINATION, LARYNX 362 Specimen Examination and Staging Tools, Larynx and Trachea Lester D. R. Thompson, MD

SECTION 5: ORAL CAVITY 366 Tongue Lester D. R. Thompson, MD and Jonathan B. McHugh, MD 368 Oral Mucosae Brenda L. Nelson, DDS, MS BORDERLINE BEHAVIOR 370 Congenital Granular Cell Epulis Susan Muller, DMD, MS 372 Granular Cell Tumor Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 376 Ectomesenchymal  Chondromyxoid Tumor Brenda L. Nelson, DDS, MS 380 Melanotic Neuroectodermal Tumor of Infancy Lester D. R. Thompson, MD 382 GLI1-Altered Soft Tissue Tumor Lester D. R. Thompson, MD 384 Extraskeletal Myxoid Chondrosarcoma Lester D. R. Thompson, MD CONGENITAL/GENETIC/HEREDITARY 386 Ectopic (Lingual) Thyroid Susan Muller, DMD, MS 388 White Sponge Nevus Susan Muller, DMD, MS INFECTIOUS 390 Multifocal Epithelial Hyperplasia (Heck Disease) Susan Muller, DMD, MS 392 Oral Hairy Leukoplakia Susan Muller, DMD, MS 394 Oral Infections Susan Muller, DMD, MS 398 Oral Syphilis Brenda L. Nelson, DDS, MS INFLAMMATORY-IMMUNE DYSFUNCTION 402 Aphthous Stomatitis Susan Muller, DMD, MS 408 Pemphigus Vulgaris Susan Muller, DMD, MS 410 Mucous Membrane Pemphigoid Susan Muller, DMD, MS 412 Oral Lichen Planus Susan Muller, DMD, MS 416 Erythema Multiforme Susan Muller, DMD, MS 418 Lupus Erythematosus Susan Muller, DMD, MS REACTIVE 422 Traumatic Ulcerative Granuloma with Stromal Eosinophilia Susan Muller, DMD, MS 424 Frictional Hyperkeratosis Susan Muller, DMD, MS 425 Pseudoepitheliomatous Hyperplasia Susan Muller, DMD, MS 426 Necrotizing Sialometaplasia Susan Muller, DMD, MS 428 Lymphangiomatous Polyp Susan Muller, DMD, MS and Lester D. R. Thompson, MD 430 Tobacco Changes Brenda L. Nelson, DDS, MS 432 Amalgam Tattoo Susan Muller, DMD, MS 433 Giant Cell Fibroma Brenda L. Nelson, DDS, MS 434 Parulis Brenda L. Nelson, DDS, MS NONNEOPLASTIC LESIONS 435 Fordyce Granules Susan Muller, DMD, MS 436 Hairy Tongue Brenda L. Nelson, DDS, MS 437 Juxtaoral Organ of Chievitz Susan Muller, DMD, MS 438 Verruciform Xanthoma Susan Muller, DMD, MS 440 Geographic Tongue Brenda L. Nelson, DDS, MS 442 Mucocele and Ranula Susan Muller, DMD, MS BENIGN NEOPLASM 444 Squamous Papilloma (Including Verruca and Condyloma) Susan Muller, DMD, MS 448 Pyogenic Granuloma Susan Muller, DMD, MS 450 Peripheral Giant Cell Granuloma Brenda L. Nelson, DDS, MS 452 Fibroma, Oral Cavity Brenda L. Nelson, DDS, MS 454 Peripheral Ossifying Fibroma Brenda L. Nelson, DDS, MS 456 Mucosal Neuroma Brenda L. Nelson, DDS, MS 458 Solitary Circumscribed Neuroma Brenda L. Nelson, DDS, MS 460 Acquired Melanocytic Nevus Susan Muller, DMD, MS 464 Melanoacanthoma Susan Muller, DMD, MS 466 Teratoma, Oral Cavity Brenda L. Nelson, DDS, MS 468 Oral Lymphangioma Susan Muller, DMD, MS 469 Heterotopic Salivary Glands Brenda L. Nelson, DDS, MS MALIGNANT NEOPLASM 470 Dysplasia and Carcinoma In Situ Susan Muller, DMD, MS 476 Proliferative Verrucous Leukoplakia Susan Muller, DMD, MS 478 Squamous Cell Carcinoma, Oral Cavity Susan Muller, DMD, MS 484 Oropharyngeal Carcinoma Susan Muller, DMD, MS 488 Mucosal Melanoma, Oral Cavity Susan Muller, DMD, MS 492 Angiosarcoma, Oral Cavity Brenda L. Nelson, DDS, MS EXAMINATION, LIP AND ORAL CAVITY 498 Specimen Examination and Staging Tools, Lip and Oral Cavity Susan Muller, DMD, MS

SECTION 6: SALIVARY GLANDS 502 Mucinous Adenocarcinoma Lester D. R. Thompson, MD 506 Microsecretory Adenocarcinoma Lester D. R. Thompson, MD 508 Sclerosing Microcystic Adenocarcinoma Lester D. R. Thompson, MD 510 Major Salivary Glands Susan Muller, DMD, MS and Lester D. R. Thompson, MD CONGENITAL/GENETIC/HEREDITARY INFECTIOUS 512 HIV Salivary Gland Disease Susan Muller, DMD, MS INFLAMMATORY-IMMUNE DYSFUNCTION 514 IgG4-Related Salivary Gland Disease Susan Muller, DMD, MS 518 Benign Lymphoepithelial Cyst Susan Muller, DMD, MS 520 Benign Lymphoepithelial Lesion Susan Muller, DMD, MS and Lester D. R. Thompson, MD 522 Sjoegren Syndrome Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD REACTIVE 526 Oncocytosis (Oncocytic Hyperplasia) Brenda L. Nelson, DDS, MS 527 Sialolithiasis Brenda L. Nelson, DDS, MS 528 Sclerosing Polycystic Adenoma Susan Muller, DMD, MS BENIGN NEOPLASM 530 Pleomorphic Adenoma Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 540 Myoepithelioma Susan Muller, DMD, MS and Lester D. R. Thompson, MD 544 Basal Cell Adenoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 548 Warthin Tumor (Papillary Cystadenoma Lymphomatosum) Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 552 Oncocytoma Lester D. R. Thompson, MD 558 Canalicular Adenoma Lester D. R. Thompson, MD 560 Salivary Gland Adenoma: Lymphadenoma, Sebaceous Lymphadenoma, and Sebaceous Adenoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 562 Ductal Papillomas Susan Muller, DMD, MS 566 Cystadenoma Susan Muller, DMD, MS 568 Hemangioma, Parotid Gland Susan Muller, DMD, MS BORDERLINE NEOPLASM 570 Sialoblastoma Lester D. R. Thompson, MD MALIGNANT NEOPLASM 574 Mucoepidermoid Carcinoma Susan Muller, DMD, MS and Lester D. R. Thompson, MD 584 Adenoid Cystic Carcinoma Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 592 Acinic Cell Carcinoma Lester D. R. Thompson, MD 600 Secretory Carcinoma, Salivary Gland Lester D. R. Thompson, MD 604 Polymorphous Adenocarcinoma, Low-Grade Variant Lester D. R. Thompson, MD and Susan Muller, DMD, MS 610 Polymorphous Adenocarcinoma, Cribriform Variant Lester D. R. Thompson, MD and Susan Muller, DMD, MS 612 Carcinoma Ex-Pleomorphic Adenoma Lester D. R. Thompson, MD 622 Intraductal Carcinoma Lester D. R. Thompson, MD 624 Salivary Duct Carcinoma Lester D. R. Thompson, MD 634 Epithelial-Myoepithelial Carcinoma Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 640 Adenocarcinoma, Not Otherwise Specified Brenda L. Nelson, DDS, MS 642 Hyalinizing Clear Cell Carcinoma, Salivary Gland Susan Muller, DMD, MS and Lester D. R. Thompson, MD 648 Cystadenocarcinoma Lester D. R. Thompson, MD 652 Myoepithelial Carcinoma Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 656 Small Cell Neuroendocrine Carcinoma, Salivary Gland Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 660 Lymphoepithelial Carcinoma, Salivary Gland Lester D. R. Thompson, MD 666 Basal Cell Adenocarcinoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 670 Sebaceous Carcinoma and Sebaceous Lymphadenocarcinoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 672 Extranodal Marginal Zone of Mucosa-Associated Lymphoid Tissue (MALT) Aaron Auerbach, MD, MPH 674 Metastatic/Secondary Tumors, Salivary Glands Lester D. R. Thompson, MD SPECIMEN EXAMINATION, SALIVARY GLANDS 676 Specimen Examination and Staging Tools, Salivary Glands Lester D. R. Thompson, MD and Susan Muller, DMD, MS

SECTION 7: JAW 680 Teeth Brenda L. Nelson, DDS, MS and Matthew R. Lindberg, MD 682 Odontogenic Myxoma Susan Muller, DMD, MS CONGENITAL/GENETIC/HEREDITARY 684 Cherubism Susan Muller, DMD, MS REACTIVE 686 Tori Susan Muller, DMD, MS 688 Osteomyelitis Brenda L. Nelson, DDS, MS 692 Fibrous Dysplasia Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 696 Cemento-Osseous Dysplasia Brenda L. Nelson, DDS, MS 698 Osteonecrosis Susan Muller, DMD, MS 702 Paget Disease of Bone Brenda L. Nelson, DDS, MS CYSTS 706 Simple Bone Cyst Brenda L. Nelson, DDS, MS 708 Dentigerous Cyst Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 712 Glandular Odontogenic Cyst Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 714 Calcifying Odontogenic Cyst Brenda L. Nelson, DDS, MS 716 Lateral Periodontal Cyst Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 718 Periapical Cyst/Granuloma Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 720 Odontogenic Keratocyst Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 724 Orthokeratinized Odontogenic Cyst Brenda L. Nelson, DDS, MS 726 Nasopalatine Duct Cyst Lester D. R. Thompson, MD 728 Pseudocysts and Cilia Cysts of the Jaw Brenda L. Nelson, DDS, MS BENIGN NEOPLASM 730 Ameloblastoma, Jaw Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 736 Squamous Odontogenic Tumor Brenda L. Nelson, DDS, MS 738 Calcifying Epithelial Odontogenic Tumor Brenda L. Nelson, DDS, MS 740 Adenomatoid Odontogenic Tumor Brenda L. Nelson, DDS, MS 742 Ameloblastic Fibroma/Fibro-Odontoma Brenda L. Nelson, DDS, MS 744 Odontoma (Complex and Compound) Brenda L. Nelson, DDS, MS 746 Odontogenic Fibroma Brenda L. Nelson, DDS, MS 748 Central Giant Cell Lesion Brenda L. Nelson, DDS, MS 750 Cementoblastoma Brenda L. Nelson, DDS, MS 752 Ossifying Fibroma, Jaw Lester D. R. Thompson, MD and Brenda L. Nelson, DDS, MS 756 Juvenile Active Ossifying Fibroma Lester D. R. Thompson, MD 760 Osteoma Lester D. R. Thompson, MD 762 Osteoblastoma Lester D. R. Thompson, MD and Francis H. Gannon, MD MALIGNANT NEOPLASM 764 Ameloblastic Carcinoma Brenda L. Nelson, DDS, MS 766 Clear Cell Odontogenic Carcinoma Brenda L. Nelson, DDS, MS 768 Ameloblastic Fibrosarcoma Brenda L. Nelson, DDS, MS 770 Osteosarcoma, Jaw Francis H. Gannon, MD and Lester D. R. Thompson, MD 774 Chondrosarcoma, Jaw Susan Muller, DMD, MS and Francis H. Gannon, MD 780 Plasma Cell Myeloma, Jaw Aaron Auerbach, MD, MPH

SECTION 8: EAR AND TEMPORAL BONE 784 Ear Lester D. R. Thompson, MD and Jonathan B. McHugh, MD  CONGENITAL/GENETIC/HEREDITARY 786 Accessory Tragus Susan Muller, DMD, MS 788 Encephalocele Lester D. R. Thompson, MD 790 First Branchial Cleft Anomaly Lester D. R. Thompson, MD INFECTIOUS 794 Otitis Media Lester D. R. Thompson, MD 796 Necrotizing Otitis Externa Bruce M. Wenig, MD INFLAMMATORY-IMMUNE DYSFUNCTION 798 Chondrodermatitis Nodularis Helicis Lester D. R. Thompson, MD 800 Otic Polyp Lester D. R. Thompson, MD 802 Relapsing Polychondritis Lester D. R. Thompson, MD DEGENERATIVE 804 Cystic Chondromalacia (Auricular Pseudocyst) Lester D. R. Thompson, MD 806 Otosclerosis Susan Muller, DMD, MS and Lester D. R. Thompson, MD METABOLIC 808 Gout Lester D. R. Thompson, MD and Susan Muller, DMD, MS REACTIVE 810 Exostosis Lester D. R. Thompson, MD 812 Keloid David Cassarino, MD, PhD and Lester D. R. Thompson, MD 814 Epitheliod Hemangioma Lester D. R. Thompson, MD 816 Malakoplakia Lester D. R. Thompson, MD 818 Synovial Chondromatosis (Temporomandibular Joint) Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD BENIGN NEOPLASM 820 Ceruminous Adenoma Lester D. R. Thompson, MD 824 Cholesteatoma Lester D. R. Thompson, MD 828 Middle Ear Neuroendocrine Tumor Lester D. R. Thompson, MD 834 Jugulotympanic Paraganglioma Lester D. R. Thompson, MD 840 Vestibular Schwannoma Lester D. R. Thompson, MD and Susan Muller, DMD, MS 844 Meningioma, Ear and Temporal Bone Lester D. R. Thompson, MD 846 Langerhans Cell Histiocytosis, Ear and Temporal Bone Brenda L. Nelson, DDS, MS 848 Endolymphatic Sac Tumor Lester D. R. Thompson, MD 852 Fetal Rhabdomyoma Lester D. R. Thompson, MD MALIGNANT NEOPLASM 856 Atypical Fibroxanthoma David Cassarino, MD, PhD and Lester D. R. Thompson, MD 860 Squamous Cell Carcinoma, Ear and Temporal Bone Lester D. R. Thompson, MD and David Cassarino, MD, PhD 864 Basal Cell Carcinoma Lester D. R. Thompson, MD and David Cassarino, MD, PhD 866 Merkel Cell Carcinoma Lester D. R. Thompson, MD and David Cassarino, MD, PhD 870 Dermatofibrosarcoma Protuberans Lester D. R. Thompson, MD and David Cassarino, MD, PhD 874 Ceruminous Adenocarcinoma Lester D. R. Thompson, MD 878 Rhabdomyosarcoma, Ear and Temporal Bone Lester D. R. Thompson, MD 882 Metastatic/Secondary Tumors, Ear and Temporal Bone Lester D. R. Thompson, MD

SECTION 9: NECK (SOFT TISSUE AND LYMPH NODES) 886 Lymph Nodes Jeremy C. Wallentine, MD and Lester D. R. Thompson, MD CONGENITAL/GENETIC/HEREDITARY 888 Branchial Cleft Cyst Brenda L. Nelson, DDS, MS and Lester D. R. Thompson, MD 894 Cervical Thymic Cyst Brenda L. Nelson, DDS, MS 896 Bronchogenic Cyst Brenda L. Nelson, DDS, MS INFECTIOUS 898 Cat-Scratch Disease Lester D. R. Thompson, MD 902 Bacillary Angiomatosis Susan Muller, DMD, MS 904 Mycobacterial Spindle Cell Pseudotumor Lester D. R. Thompson, MD INFLAMMATORY-IMMUNE DYSFUNCTION 906 Sarcoidosis Brenda L. Nelson, DDS, MS REACTIVE 908 Nodular Fasciitis Lester D. R. Thompson, MD BENIGN NEOPLASM 910 Dermoid Brenda L. Nelson, DDS, MS 912 Carotid Body Paraganglioma Lester D. R. Thompson, MD 918 Elastofibroma Lester D. R. Thompson, MD 920 Perineurioma Lester D. R. Thompson, MD 924 Lipoma Brenda L. Nelson, DDS, MS 926 Spindle Cell Lipoma Lester D. R. Thompson, MD 928 Lipoblastoma Brenda L. Nelson, DDS, MS 930 Dermoid Cyst Brenda L. Nelson, DDS, MS 932 Nuchal-Type Fibroma Brenda L. Nelson, DDS, MS 934 Hibernoma Lester D. R. Thompson, MD 936 Lymphangioma, Neck Brenda L. Nelson, DDS, MS 938 Branchioma (Ectopic Hamartomatous Thymoma) Lester D. R. Thompson, MD MALIGNANT NEOPLASM 940 Metastatic Cystic Squamous Cell Carcinoma Lester D. R. Thompson, MD 946 Synovial Sarcoma Lester D. R. Thompson, MD 952 Chordoma Lester D. R. Thompson, MD 958 Liposarcoma Bruce M. Wenig, MD

SECTION 10: THYROID GLAND 968 Thyroid Gland Lester D. R. Thompson, MD and Jonathan B. McHugh, MD 970 Radiation Thyroiditis Lester D. R. Thompson, MD CONGENITAL/GENETIC/HEREDITARY 972 Thyroglossal Duct Cyst Lester D. R. Thompson, MD 976 Ectopic Thyroid Gland Susan Muller, DMD, MS 978 Solid Cell Nests Lester D. R. Thompson, MD 980 Dyshormonogenetic Goiter Lester D. R. Thompson, MD INFECTIOUS 984 Infectious Thyroiditis Lester D. R. Thompson, MD INFLAMMATORY-IMMUNE DYSFUNCTION 988 Palpation Thyroiditis Lester D. R. Thompson, MD 990 Subacute Granulomatous Thyroiditis (de Quervain) Lester D. R. Thompson, MD 996 Chronic Lymphocytic (Hashimoto) Thyroiditis Lester D. R. Thompson, MD 1002 Graves Disease (Diffuse Hyperplasia) Lester D. R. Thompson, MD 1008 IgG4-Related Thyroiditis Lester D. R. Thompson, MD REACTIVE 1010 Multinodular Hyperplasia Lester D. R. Thompson, MD 1018 Amyloid Goiter Lester D. R. Thompson, MD 1022 Pigments and Crystals in Thyroid Gland Lester D. R. Thompson, MD 1024 Post Fine-Needle Aspiration Changes Lester D. R. Thompson, MD 1028 C-Cell Hyperplasia (Physiologic) Lester D. R. Thompson, MD BENIGN NEOPLASM 1030 Follicular Adenoma Lester D. R. Thompson, MD 1038 Noninvasive Follicular Thyroid Neoplasm With Papillary-Like Nuclei Lester D. R. Thompson, MD 1042 Hyalinizing Trabecular Tumor Lester D. R. Thompson, MD 1046 Thyroid Teratoma Lester D. R. Thompson, MD 1050 Thyroblastoma Lester D. R. Thompson, MD 1052 Solitary Fibrous Tumor, Thyroid Gland Lester D. R. Thompson, MD 1056 Paraganglioma, Thyroid Gland Lester D. R. Thompson, MD 1058 Leiomyoma, Thyroid Gland Lester D. R. Thompson, MD 1060 Schwannoma, Thyroid Gland Lester D. R. Thompson, MD 1062 Langerhans Cell Histiocytosis, Thyroid Gland Lester D. R. Thompson, MD 1066 Ovarian Thyroid Tissue Bruce M. Wenig, MD MALIGNANT NEOPLASM 1070 Papillary Carcinoma, Thyroid Gland Lester D. R. Thompson, MD 1088 Cribriform Morular Thyroid Carcinoma Lester D. R. Thompson, MD 1090 Follicular Carcinoma Lester D. R. Thompson, MD 1102 Poorly Differentiated Thyroid Carcinoma Bruce M. Wenig, MD 1108 Undifferentiated (Anaplastic) Carcinoma Lester D. R. Thompson, MD 1114 Medullary Thyroid Carcinoma Lester D. R. Thompson, MD 1126 Spindle Epithelial Tumor With Thymus-Like Elements Lester D. R. Thompson, MD 1130 Carcinoma Showing Thymus-Like Differentiation Lester D. R. Thompson, MD 1134 Mucoepidermoid Carcinoma, Thyroid Gland Lester D. R. Thompson, MD 1138 Sclerosing Mucoepidermoid Carcinoma With Eosinophilia Lester D. R. Thompson, MD 1142 Squamous Cell Carcinoma, Thyroid Gland Lester D. R. Thompson, MD 1146 Lymphoma, Thyroid Gland Lester D. R. Thompson, MD 1156 Angiosarcoma, Thyroid Gland Lester D. R. Thompson, MD 1160 Leiomyosarcoma, Thyroid Gland Lester D. R. Thompson, MD 1164 Malignant Peripheral Nerve Sheath Tumor, Thyroid Gland Lester D. R. Thompson, MD 1168 Follicular Dendritic Cell Tumor, Thyroid Gland Lester D. R. Thompson, MD 1172 Metastatic/Secondary Tumors, Thyroid Gland Lester D. R. Thompson, MD SPECIMEN EXAMINATION, THYROID GLAND 1178 Specimen Examination and Staging Tools, Thyroid Gland Lester D. R. Thompson, MD

SECTION 11: PARATHYROID GLANDS 1182 Parathyroid Lester D. R. Thompson, MD and Jonathan B. McHugh, MD NONNEOPLASTIC 1184 Parathyroid Hyperplasia Lester D. R. Thompson, MD 1192 Chronic Parathyroiditis Lester D. R. Thompson, MD 1193 Tertiary Hyperparathyroidism Lester D. R. Thompson, MD BENIGN NEOPLASM 1194 Parathyroid Adenoma Lester D. R. Thompson, MD MALIGNANT NEOPLASM 1202 Parathyroid Carcinoma Lester D. R. Thompson, MD 1208 Metastatic/Secondary Tumors, Parathyroid Glands Lester D. R. Thompson, MD

This expert volume in the Diagnostic Pathology series is an excellent point-of-care resource for practitioners at all levels of experience and training. Covering all areas of head and neck pathology, it incorporates the most recent clinical, pathological, and molecular knowledge in this challenging field to provide a comprehensive overview of all key issues relevant to today’s practice. Richly illustrated and easy to use, Diagnostic Pathology: Head and Neck, 3rd Edition, is a one-stop reference for accurate, complete pathology reports, ideal as a day-to-day reference or as a reliable training resource. 

• Provides a clear framework for a better understanding of the clinical and histopathologic appearances of more than 315 new and evolving entities of the head and neck and endocrine organs 

• Features updated information on recent changes in the field, as well as current information from the AJCC Cancer Staging Manual, 8th Edition, and the WHO Classification of Head and Neck Tumours, 5th Edition 

• Covers numerous new diagnostic entities including intercalated duct carcinoma, sclerosing polycystic adenoma, microsecretory adenocarcinoma, sclerosing microcystic carcinoma, mucinous adenocarcinoma, adamantinoma-like Ewing sarcoma, SMARCB1 and SMARCA4-deficient carcinomas, and HPV-related multiphenotypic sinonasal carcinoma 

• Contains major updates on sinonasal tract, salivary gland, and odontogenic tumors; oropharyngeal squamous cell carcinoma and its correct classification and staging; the recent significant reclassification of salivary gland tumors; and odontogenic tumor information 

• Places supporting studies into clinical context, with tables and molecular flow charts that assist with management decisions and prognostic outcome predictions 

• Includes approximately 3,200 high-quality clinical and histological images, gross pathology images, radiologic images, and full-color drawings to help practicing and in-training pathologists reach a confident diagnosis—as well as more than 2,500 additional images online 

• Employs consistently templated chapters, bulleted content, key facts, and annotated images for quick, expert reference at the point of care 

• Includes the enhanced eBook version, which allows you to search all text, figures, and references on a variety of devices 

By Lester D. R. Thompson, MD, Head and Neck Pathology Consultations, Woodland Hills, California; Susan Müller, DMD, MS, Atlanta Oral Pathology, Professor Emeritus, Department of Otolaryngology, Head and Neck Surgery, Emory University School of Medicine, Atlanta, Georgia; Brenda L. Nelson, DDS, MS, Consulting Pathologist, Scripps Oral Pathology Service, San Diego, California.; Susan Müller and Brenda L. Nelson.