Neuroectodermal Lesions : Part II

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Neuroectodermal Lesions : Part II

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…

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Vasoform Neoplasms and Other Lesions : Part II

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Vasoform Neoplasms and Other Lesions : Part II

10.1055/b-0034-91548 Vasoform Neoplasms and Other Lesions : Part II Glomangiopericytoma (Sinonasal Type Hemangiopericytoma) Introduction Throughout our ENT surgical careers, we have listened to the tale of the highly controversial pericyte…

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Epithelial Epidermoid Tumors: Part I

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Epithelial Epidermoid Tumors: Part I

10.1055/b-0034-91542 Epithelial Epidermoid Tumors: Part I Benign Epidermoid Tumors Squamous papillomas of the nasal vestibule Everted squamous papilloma ICD-O 8121/1 Cylindrical cell papilloma Inverted papilloma ICD-O 8121/1 Squamous Papillomas of…

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Lymphoreticular Neoplasia and Other Lesions

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Lymphoreticular Neoplasia and Other Lesions

10.1055/b-0034-91553 Lymphoreticular Neoplasia and Other Lesions Although there is abundant lymphoid tissue in the upper aerodigestive tract, the sinonasal area, unlike the nasopharynx, is surprisingly lacking in both mucosa-associated lymphoid…

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Cartilaginous Tumors

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Cartilaginous Tumors

10.1055/b-0034-91550 Cartilaginous Tumors A range of cartilaginous tumors can occur in this region, exhibiting a spectrum of histological aggressiveness. However, all should be regarded as having malignant potential. Even those…

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Odontogenic Tumors and Other Lesions

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Odontogenic Tumors and Other Lesions

10.1055/b-0034-91551 Odontogenic Tumors and Other Lesions Humans have suffered from odontogenic tumors and cysts for thousands of years (Fig. 12.1). Tumors arising in relation to the teeth were described in…

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Neoplasms of Muscle

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Neoplasms of Muscle

10.1055/b-0034-91549 Neoplasms of Muscle Leiomyoma Definition (ICD-O code 8890/0) Leiomyomas are benign, smooth muscle tumors which show varying degrees of differentiation. Etiology There is little in the way of smooth…

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Epithelial Nonepidermoid Neoplasms: Part II

Jun 18, 2020 by in OTOLARYNGOLOGY Comments Off on Epithelial Nonepidermoid Neoplasms: Part II

10.1055/b-0034-91545 Epithelial Nonepidermoid Neoplasms: Part II Adenoid Cystic Carcinoma Definition (ICD-O code 8200/3) Adenoid cystic carcinoma is an infiltrating malignant tumor, often with a characteristic cribriform appearance, derived from minor…

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