Imaging in Otolaryngology

Nasal Cocaine Necrosis

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…

Silent Sinus Syndrome

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…

Sinonasal Mucocele

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…

Solitary Sinonasal Polyp

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

Sinonasal Polyposis

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…

Invasive Fungal Sinusitis

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…

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,…