UPPER RESPIRATORY TRACT 11
Introduction 11
ECTODERMAL NEOPLASMS 17
Metaplastic Alterations of Squamous Epithelium 17
Acanthosis 17
Keratotic Papiltoma 17
Keratosis Pharyngeus (Pharyngitis Sicca) 17
Pachydermia Laryngis 17
Pseudoepitheliomatous Hyperplasia 18
Leukoplakia 18
Bowenoid Dyskeratosis 20
Carcinoma in Situ 20
Tumors Originating in Epithelial Tissue－Benign and Malignant 21
Papillomas 21
Squamous Cell Papilloma 21
Hyperkeratotic Papilloma 32
Epithelial Papilloma 32
Inverted Papilloma 33
Adenomas 34
Carcinomas 34
Squamous Cell Carcinoma 34
Basal Cell Carcinoma 37
Lympho-epithelial Carcinoma 37
Adencarcinoma 38
Metastatic Carcinoma 39
Rathke＇s Pouch Tumors 39
Intracranial Cysts 39
Suprasellar Cysts 39
Infrasellar Cysts 39
Craniopharyngioma 39
Aberrant Pituitary Gland 76
Other Tumors 76
Dermoid Tumors 76
Tumors Originating in Nerve Tissue－Benign and Malignant 76
Primary Neurogenous Tumors from Peripheral Nerve Elements 76
Neurofibroma 76
Neurilemoma 77
Primary Neurogenous Tumors from Neural Crest Elements 78
Nevus 78
Malignant Melanoma 79
Ganglioglioma 79
Olfactory Neuroblastoma 79
Congenital Ganglioglioma 80
Primary Neurogenous Tumors from Sympathetic Elements 96
Ganglioma 96
Ganglioneuroma 96
Paraganglioma 96
Secondary Neurogenous Tumors 96
Meningioma 96
MESODERMAL NEOPLASMS 97
Tumors Originating in Connective Tissue－Benign and Malignant 97
Lipoma 97
Liposarcoma 97
Fibroma 97
Fibrosarcoma 98
Myxoma 99
Tumors Originating in Muscle－Benign and Malignant 99
Leiomyoma 99
Leimyosarcoma 99
Rhabdomyoma 99
Rhabdomyosarcoma 108
Sarcoma Botryoides (Malignant Mesenchymoma) 108
Granular Cell Myoblastoma 109
Tumors Originating in Cartilage－Benign and Malignant 109
Chondroma 109
Tracheopathia Osteoplastica 116
Ossification of the Tracheal Cartilages 116
Chondrosarcoma 116
Chordoma 117
Tumors Originating in Bone－Benign and Malignant 117
Osteoma 117
Osteosarcoma 130
Ossifying Fibroma and Fibrous Dysplasia 130
Giant Cell Tumor 130
Synovial Tumors of the Hypopharynx 131
Tumors Originating in Vascular Tissue－Benign and Malignant 138
Hemangioma 138
Juvenile Nasopharyngeal Hemangiofibroma 138
Angiosarcoma 140
Lymphangioma 140
Lymphangiectatic Fibrous Polyp 140
Tumors Originating in Lymphoid Tissue－Benign and Malignant 141
Follicular Hyperplasia 141
Lymphoma 141
Lymphosarcoma 141
Reticulum Cell Sarcoma 150
Hodgkin＇s Disease 150
Plasmacytoma (Extramedullary) 150
Tumors of Salivary Gland Type－Benign and Malignant 151
Mixed Tumor 151
Muco-epidermoid Carcinoma 160
Adenoid-cystic Carcinoma 160
Papillary Cystadenoma Lymphomatosum (Warthin＇s Tumor) 172
Tumors Originating in Embryonal Remnants－Benign and Malignant 172
Cysts of the Neck 172
Branchiogenic (Branchial) Cyst 172
Hygroma Cysticum Colli Congenitum 173
Lesions Simulating Neoplasms 173
Polypoid Pseudotumors 182
Nasal Polyp 182
Allergic Polyp 182
Inflammatory Polyp 182
Choanal Polyp 182
Laryngeal Nodule 184
Hyperplastic Pseudotumors 185
Glandular Hyperplasia 185
Inflammatory Pseudotumors 185
Hemangioma of the Nasal Septum 186
Granuloma Pyogenicum 186
Granuloma Gravidarum (Pregnancy Tumor,Gingivitis Gravidarum) 186
Pseudotumors from Altered Productivity of Tissues 187
Mucocele 187
Cholesteatoma 187
Cysts 187
Retention Cyst 210
Congenital Cyst 210
Pseudotumors from Congenital Defects 210
Laryngocele 210
Extrinsic Laryngocele 210
Intrinsic Laryngocele 210
References 210
EAR 215
Introduction 215
TUMORS AND TUMOR-LIKE LESIONS OF THE EXTERNAL EAR 216
Benign Lesions 216
Keratosis 216
Malignant Tumors 216
Squamous Cell Carcinoma 217
Basal Cell Carcinoma 217
Adenocarcinoma 217
Pseudotumors 217
Retention Cyst 217
Cauliflower Ear (Keloid) 217
Inflammatory Fibrous Pseudotumor 226
Chondrodermatitis Nodularis Chronica Helicis 226
Branchial Cyst and Fistula 226
Mesenchymal Tumors 226
TUMORS AND TUMOR-LIKE LESIONS OF THE EXTERNAL AUDITORY (OTIC) CANAL 227
Benign Lesions 227
Osteoma and Osseous Spurs 227
Ceruminal Adenoma 227
Otic Polyp 228
Malignant Tumors 229
Carcinoma 229
TUMORS AND TUMOR-LIKE LESIONS OF THE MIDDLE EAR,THE INNER EAR,AND THE TEMPORAL BONE 229
Questionably Malignant Tumors 242
Nonchromaffin Paraganglioma (Glomus Jugulare Tumor) 242
Malignant Tumors 242
Sarcoma Botryoides 242
Squamous Cell Carcinoma 243
Adenocarcinoma 243
Metastatic Tumors 243
Pseudotumors 244
Cholesteatoma 244
TUMORS OF THE EIGHTH CRANIAL NERVE 245
Benign Tumors 245
Neurilemoma 245
References 262