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 Cochlear incomplete partition type I: Dilated vestibule and horizontal semicircular canal (SCC) 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 Common cavity (CC) is cystic space representing undifferentiated cochlea & vestibule 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 Synonym: Complete labyrinthine aplasia Michel aplasia/anomaly (old synonym) 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 Petromastoid canal (PMC) definition: Normal temporal bone osseous canal that passes through arch of superior semicircular canal conveying subarcuate artery to otic capsule Synonyms: Subarcuate canal or canaliculus 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
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KEY FACTS Terminology Definition: Protrusion of cranial contents into middle ear (ME) or mastoid through dehiscence of tegmen Synonyms: Temporal lobe meningocele, encephalocele, or meningoencephalocele; defined by content 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 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 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 Abbreviation: Glomus tympanicum paraganglioma (GTP) Benign tumor arising from glomus bodies situated on cochlear promontory 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 Cholesterol granuloma (CG): Recurrent hemorrhage into middle ear (ME) cavity causes inflammatory mass of granulation 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 Synonyms: Automastoidectomy; "shell" or "rind" cholesteatoma Rare variant of acquired cholesteatoma Definition: Residual cholesteatoma "rind" left behind after acquired middle ear-mastoid cholesteatoma extrudes central matrix through dehiscent EAC bony wall 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: Focal accumulation of exfoliated keratin within stratified squamous epithelium at site of perforation or retraction pocket at pars tensa tympanic membrane (TM) 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 "Attic" or "Prussak space" cholesteatoma 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: Calcific, bony, or fibrous middle ear foci secondary to suppurative chronic otomastoiditis (COM) 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: Noncholesteatomatous ossicular erosion; postinflammatory ossicular erosion Definition: Erosive changes involving ossicles in absence of cholesteatoma in patient with history of chronic otomastoiditis (COM) 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 coalescent otomastoiditis (ACOM): Acute middle ear-mastoid infection with progressive bony resorption due to intramastoid empyema ± osteomyelitis 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