Category Pathology

Issues relative to intraoperative consultation of laryngeal mucosal margins are similar to those discussed for intraoperative consultation of oral cavity mucosal lesions. The reader is referred to Section 2 for more detailed discussion, including illustrations. This section is an overview…

Classification of Neoplastic Lesions of the Larynx and Trachea ( Box 16-1 ) General Considerations Similar to tumors of other upper aerodigestive tract sites, most common tumors of the larynx are of epithelial origin: Most common benign neoplasm is a…

Classification of Non-Neoplastic Lesions of the Larynx and Trachea ( Box 15-1 ) Box 15-1 Classification of Laryngeal and Tracheal Non-Neoplastic Lesions Vocal cord nodules/polyps Laryngocele and laryngeal cysts Contact ulcer Amyloidosis Subglottic stenosis Teflon granuloma Tracheopathia osteoplastica Infectious diseases…

Larynx Embryology Epithelium and glands of the larynx arise from the endoderm lining the laryngotracheal groove. Supraglottic larynx arises from the third and fourth branchial arches. Glottis and subglottic larynx arise from the sixth branchial arch. Cartilage, muscle, and other…

Classification of Neoplasms of the Neck Box 13-1 Classification of Neoplastic Lesions of the Neck Benign Mesenchymal/Neuroectodermal Fibromatosis Nodular fasciitis Paraganglioma Lipomas Nerve sheath tumors Rhabdomyoma Vascular neoplasms (e.g., angiofibroma, hemangioma, lymphangioma) Lymphatic malformation (lymphangiomas) Others Malignant Hematolymphoid Malignant Neoplasms…

Classification of Non-Neoplastic Lesions of the Neck ( Box 12-1 ) Box 12-1 Classification of Non-neoplastic Lesions of the Neck Developmental Cystic Anomalies Branchial cleft anomalies Thyroglossal duct cyst Cervical thymic cyst Bronchogenic cyst Dermoid cyst Others Infectious and Related…

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Classification of Pharyngeal Neoplasms ( Box 10-1 ) General Considerations Similar to tumors of other upper aerodigestive tract sites, the most common tumors of the pharynx are of epithelial origin: The most common benign neoplasm is a (squamous) papilloma. The…

Classification of Non-Neoplastic Lesions of the Pharynx ( Box 9-1 ) Box 9-1 Classification of Non-Neoplastic Lesions of the Pharynx, Including Naso-, Oro-, and Hypopharynx Nasopharyngeal Cysts Rathke pouch cyst Tornwaldt cyst Dermoid cyst Retention cysts Others Hamartomas, Choristomas, and…