OTOLARYNGOLOGY

Urticaria and Angioedema

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on Urticaria and Angioedema

FIGURE 34–1. Urticaria. FIGURE 34–2. Angioedema involving the tongue obstructing the airway. Angioedema • Inflammation occurs in the mucosa and deeper dermis. • Extravasation involves deep dermal vessels. • Histamine…

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Sinonasal Development and Anatomy

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on Sinonasal Development and Anatomy

• Infratip lobule: portion of lobule located inferior to tip-defining point and superior to infratip break • Infratip break: lobule-columella junction • Nasal sill: nostril rim located between columella and…

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The Nasopharynx

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on The Nasopharynx

FIGURE 35–1. Anatomy of nasopharynx (sagittal). • Inferior: soft palate (free edge) • Superior/posterior: skull base, clivus, C1 Anatomic Subsites • Roof • Lateral walls • Posterior pharyngeal wall IMAGING…

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Benign Sinonasal Tumors

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on Benign Sinonasal Tumors

TABLE 25–1. Sinonasal Papilloma Exophytic Papilloma • Pathophysiology: 1. More common in males (8:1), most common in fifth decade 2. Most arise from nasal septum; rarely involves vestibule, turbinates, or…

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Malignant Sinonasal Tumors

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on Malignant Sinonasal Tumors

Biopsy • Endoscopic biopsies prior to definitive surgical procedure and radiological evaluation Classification • WHO classification for malignant sinonasal tumours 1. Malignant epithelial: (a) SCC, (b) adenoid cystic carcinoma, (c)…

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Endoscopic Skull Base Reconstruction

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on Endoscopic Skull Base Reconstruction

• History of prior nasal or sinus surgery may compromise flap harvesting and selection of tissue for skull base reconstruction. • Previous sphenoid surgery may have compromised the posterior septal…

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Basics of Allergy

Jul 20, 2019 by in OTOLARYNGOLOGY Comments Off on Basics of Allergy

• The age group most affected by AR is late teens to early twenties. • Risk factors: cigarette exposure, family history of atopy, higher socioeconomic status, first born or only…

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