Imaging in Otolaryngology

Cochlear Aplasia

KEY FACTS Terminology Definition: Absent cochlea; vestibule, semicircular canals (SCC), & internal auditory canal (IAC) present in some form You’re Reading a Preview Become a Clinical Tree membership for Full access and enjoy Unlimited articles Become membership If you are…

Large Vestibular Aqueduct (IP-II)

KEY FACTS Terminology Large vestibular aqueduct (LVA) includes enlarged endolymphatic sac and duct IP-II: Incomplete partition type II between middle and apical cochlear turns often seen with LVA IP-II + LVA: Mondini anomaly (historic terminology) You’re Reading a Preview Become…

Cochlear Incomplete Partition Type II (IP-II)

KEY FACTS Terminology IP-II: Incomplete partition due to deficient interscalar septum (ISS) between middle & apical cochlear turns Mondini anomaly (historic terminology): IP-II + large vestibular aqueduct (LVA) You’re Reading a Preview Become a Clinical Tree membership for Full access…

Cystic Cochleovestibular Malformation (IP-I)

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…

Common Cavity Malformation

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

Labyrinthine Aplasia

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

Cochlear Cleft

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Petromastoid Canal

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…

Ossicular Prosthesis

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