Imaging in Otolaryngology

EAC Exostoses

KEY FACTS Terminology Definition: Benign overgrowth of bony external auditory canal (EAC) in response to chronic cold water exposure You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are…

EAC Osteoma

KEY FACTS Terminology Osteoma: Rare, benign, focal, pedunculated, bony overgrowth of osseous external auditory canal (EAC) with normal overlying squamous epithelium You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If…

EAC-Acquired Cholesteatoma

KEY FACTS Terminology External auditory canal cholesteatoma (EACC) EACC: EAC erosive lesion composed of exfoliated keratin within stratified squamous epithelium You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you…

Medial Canal Fibrosis

KEY FACTS Terminology Medial canal fibrosis (MCF) Discrete clinicopathological disease characterized by formation of fibrous tissue in medial aspect of bony external auditory canal (EAC) You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited…

Keratosis Obturans

KEY FACTS Terminology Keratosis obturans (KO): Abnormal accumulation & obstruction of bony external auditory canal (EAC) from desquamated keratin without erosive bony changes You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become…

Necrotizing External Otitis

KEY FACTS Terminology Necrotizing external otitis (NEO); "malignant" otitis externa or skull base osteomyelitis NEO definition: Severe invasive infection of external auditory canal (EAC), adjacent soft tissues, and skull base You’re Reading a Preview Become a Clinical Tree membership for…

Foramen Tympanicum

KEY FACTS Terminology Synonyms: Foramen of Huschke; tympanic bone dehiscence Definition: Developmental ossification defect in anteroinferior aspect of bony external auditory canal (EAC) Should be considered normal EAC variant You’re Reading a Preview Become a Clinical Tree membership for Full…

Temporal Bone Overview

Summary Thoughts: Temporal Bone The temporal bone (T-bone) is one of the most complex and intriguing areas of the head and neck. Understanding normal anatomy is key to accurate T-bone image interpretation. Incorporating the otologic findings of a middle ear…

Mandible Fracture

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