KEY FACTS Terminology Malignant epithelial tumor with squamous cell or epidermoid differentiation 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
KEY FACTS Terminology Lobular capillary hemangioma (LCH): Benign capillary proliferation with distinct lobular architecture Old term: Pyogenic granuloma 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
KEY FACTS Terminology Inverted papilloma (IP): Benign nasal mucosa epithelial tumor with histology showing epithelium proliferating into underlying stroma 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
KEY FACTS Terminology Benign, vascular, locally invasive nasal cavity mass 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
KEY FACTS Terminology Rare, benign fibroosseous lesion composed of fibrous tissue & mature bone 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
KEY FACTS Terminology Benign, well-defined, slow-growing, bone-forming tumor 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
KEY FACTS Terminology Fibroosseous lesion in which normal medullary bone is replaced by weak osseous & fibrous tissue 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
KEY FACTS Terminology Destruction of osteocartilaginous structures of nose, sinuses, and palate induced by chronic inhalation of cocaine 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
KEY FACTS 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
KEY FACTS Terminology Silent sinus syndrome (SSS): Acquired process with maxillary sinus walls retraction → reduced volume → depression of orbital floor → enophthalmos ± hypoglobus Synonym: Maxillary atelectasis with enophthalmos 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
KEY FACTS Terminology Mucocele: Cyst lined by normal respiratory epithelium and filled with mucus; will cause expanded, chronically obstructed sinus 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
KEY FACTS Terminology Solitary inflammatory polyp resulting from edematous hypertrophy of respiratory epithelium 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
KEY FACTS Terminology Definition: Nonneoplastic, inflammatory swelling of sinonasal mucosa that buckles to form polyps 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
KEY FACTS Terminology Acute invasive fungal rhinosinusitis (AIFRS): Rapidly progressive (hours to days), transmucosal fungal sinus infection in immunocompromised patients with vascular, bone, soft tissues, orbit, & intracranial invasion resulting in "dry gangrene"; mortality 50-80% 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
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 member. Log in here
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 If you are a member. Log in here
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, cavernous sinus thrombosis (CST) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a…
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 a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are a member. Log in here
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 member. Log in here
KEY FACTS Terminology Congenital nasal pyriform aperture stenosis (CNPAS): Congenital narrowing of anterior bony nasal passageway 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