Ear & Mastoid Process - Pathology Flashcards
(36 cards)
What is the definition of macrotia?
A condition of abnormally large auricles
Word origin: macro- (large), ot/o (ear), -ia (condition)
What does microtia refer to?
A condition of abnormally small auricles
Word origin: micro- (small, tiny), ot/o (ear), -ia (condition)
Define cholesteatoma.
Cystic mass composed of epithelial cells and cholesterol; can occur in the middle ear
Word origin: chol/e (bile), steat/o (fat), -oma (mass, tumor)
What is exostosis of the external ear?
Bony growth usually due to chronic irritation
Word origin: ex- (out), oste/o (bone), -osis (abnormal condition)
What does otitis externa mean?
Inflammation of the pinna/auricle
Word origin: ot/o (ear), -itis (inflammation), extern/o (outer)
What is perichondritis?
Inflammation of the perichondrium of the external ear; may result in a deformity referred to as ‘cauliflower ear’
Word origin: peri- (around), chondr/o (cartilage), -itis (inflammation)
Define stenosis of the external ear canal.
A narrowing of the auditory canal that develops after birth
Word origin: stenosis (abnormal condition of narrowing)
What is ankylosis of the ear ossicles?
Abnormal condition of stiffening of the tiny bones of the ear
Word origin: ankyl/o (stiff), -osis (abnormal condition)
What does cholesteatoma of the attic refer to?
Cystic mass of epithelial cells and cholesterol in the epitympanic recess
Word origin: chol/e (bile), steat/o (fat), -oma (mass, tumor)
What is eustachian salpingitis?
Inflammation of the eustachian tube
Word origin: salping/o (eustachian tube), -itis (inflammation)
Define mastoiditis.
Inflammation of the mastoid process
Word origin: mastoid/o (mastoid process), -itis (inflammation)
What does myringitis mean?
Inflammation of the eardrum
Word origin: myring/o (eardrum), -itis (inflammation)
What is otitis media (OM)?
Inflammation of the middle ear, which may be suppurative or nonsuppurative
Word origin: ot/o (ear), -itis (inflammation), medi/o (middle)
What does patulous eustachian tube refer to?
A continually open eustachian tube
Word origin: patul/o (open), -ous (pertaining to)
Define perforation of tympanic membrane.
A puncture of the eardrum
Word origin: tympan/o (eardrum), -ic (pertaining to)
What is petrositis?
Inflammation of the petrous portion of the temporal bone
Word origin: petros/o (petrous bone), -itis (inflammation)
What does tympanosclerosis mean?
Abnormal hardening of the eardrum
Word origin: tympan/o (eardrum), -sclerosis (abnormal condition of hardening)
Define aural vertigo.
Dizziness associated with a disorder of the ear
Word origin: aur/o (hearing), -al (pertaining to), vert/o (turn), -igo (condition)
What is labyrinthitis?
Inflammation of the labyrinth, the inner ear
Word origin: labyrinth/o (inner ear, labyrinth), -itis (inflammation)
What characterizes Ménière’s disease?
Chronic condition of the inner ear characterized by vertigo, hearing loss, and tinnitus
Etiology is unknown.
What does otosclerosis refer to?
Abnormal condition of hardening of the inner ear characterized by spongy bone growth
Word origin: ot/o (ear), -sclerosis (abnormal condition of hardening)
Define vestibular neuronitis.
Inflammation of the vestibular nerve
Word origin: vestibul/o (vestibule), neuron/o (nerve), -itis (inflammation)
What is conductive hearing loss?
Hearing loss resulting from damage to or malformation of the middle or outer ear
Word origin: con- (with), duct/o (carry), -ive (pertaining to)
What does diplacusis mean?
Hearing disorder characterized by the perception of a single sound being two
Word origin: dipl/o (double), -acusis (hearing)
