Category Otolaryngology

Sinus Mycetoma

KEY FACTS Terminology Synonyms: Fungus ball; aspergilloma Definition: Chronic, noninvasive fungal sinus infection Fungal colonization of sinus cavity You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…

Allergic Fungal Sinusitis

KEY FACTS Terminology Severe form of chronic rhinosinusitis with polyposis Allergic response to fungi characterized by eosinophilic mucin with noninvasive fungal hyphae You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership…

Complications of Rhinosinusitis

KEY FACTS Terminology Superficial complications: Osteomyelitis, subgaleal abscess (Pott puffy tumor), septic thrombophlebitis Orbital complications: Preseptal cellulitis/abscess, subperiosteal postseptal abscess (SPA), myositis of extraocular muscles, optic neuritis, septic thrombophlebitis Intracranial complications: Meningitis, epidural abscess, subdural empyema (SDE), cerebritis, brain abscess,…

Chronic Rhinosinusitis

KEY FACTS Terminology Group of disorders characterized by inflammation of nose & paranasal sinuses ≥ 12 consecutive weeks' duration This broad definition is based on signs and symptoms and does not restrict to specific etiology You’re Reading a Preview Become…

Acute Rhinosinusitis

KEY FACTS Terminology Acute inflammatory sinonasal process lasting ≤ 4 weeks Acute bacterial or rhinosinusitis (ARS), viral rhinosinusitis You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…

Frontoethmoidal Cephalocele

KEY FACTS Terminology Congenital herniation of meninges, CSF ± brain tissue through mesodermal defect in anterior skull/skull base Synonym: Sincipital cephalocele You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…

Nasal Dermal Sinus

KEY FACTS Terminology Defective embryogenesis of anterior neuropore resulting any mixture of dermoid cyst, epidermoid cyst, &/or sinus tract in frontonasal region You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership…

Nasal Glioma

KEY FACTS Terminology Developmental mass of dysplastic neurogenic tissue sequestered & isolated from subarachnoid space " Glioma " is misnomer as is nonneoplastic tissue – Better term = nasal glial heterotopia Extranasal glioma (ENG), intranasal glioma (ING) You’re Reading a…

Choanal Atresia

KEY FACTS Terminology Congenital obstruction of posterior nasal apertures You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here