10.1055/b-0034-91556 Neuroectodermal Lesions : Part III Mucosal Malignant Melanoma Definition (ICD-O code 8720/3) Mucosal malignant melanomas (MMMs) are aggressive tumors arising from melanin producing cells (melanocytes), derived from neural crest…
10.1055/b-0034-91567 Nasopharyngeal Carcinoma: Epidemiology, Etiology, Screening, and Staging Epidemiology Nasopharyngeal carcinoma (NPC), unlike many other head and neck cancers, is an uncommon neoplasm in most parts of the world. The…
10.1055/b-0034-91546 Mesenchymal Neoplasms and Other Lesions Eosinophilic Angiocentric Fibrosis Definition A rare benign cause of submucosal thickening and fibrosis within the upper respiratory tract. Etiology The etiology is unknown. It…
10.1055/b-0034-91561 Surgery : Part I Informed Consent As emphasized throughout this book, sinonasal tumors are rare, present late, and are often difficult to cure. Patients and their families must understand…
10.1055/b-0034-91558 Metastases to the Nasal Cavity and Paranasal Sinuses Definition A malignant deposit emanating from a site outside the nose and paranasal sinuses. The majority derive from below the clavicle….
10.1055/b-0034-91557 Germ Cell Tumors Germ cell tumors are rare in the head and neck, and histologically are almost identical to those that arise in the gonads (Table 16.1). Immature Teratoma…
10.1055/b-0034-91539 Surgical Anatomy The complex anatomy of the nose, the paranasal sinuses, and the adjacent nasopharynx and intracranial and intraorbital structures has been explored in considerable detail from the seminal…
10.1055/b-0034-91552 Tumors and Other Lesions of Bone This section includes the following conditions: Fibrous dysplasia; no ICD-O code Ossifying fibroma; no ICD-O code Osteoma; ICD-O 9180 Osteoblastoma; ICD-O 9200/0 Osteoid…
10.1055/b-0034-91554 Neuroectodermal Lesions : Part I Primary neurogenic lesions presenting in the nose and sinuses are relatively rare but they increasingly come within the ambit of the ENT surgeon who…
10.1055/b-0034-91555 Neuroectodermal Lesions : Part II Neuroendocrine Carcinoma Carcinoid (well-differentiated neuroendocrine carcinoma) (ICD-O code 8240/3) Atypical carcinoid (moderately differentiated neuroendocrine carcinoma) (ICD-O code 8249/3) Small cell carcinoma (poorly or undifferentiated…
