cholesteatoma
Large Cholesteatoma in Middle Ear
There is a large cholesteatoma in this patient's left middle ear which on first glance resembles an effusion. Note the yellow crust over the attic area [12 o'clock position] is a diagnostic clue to an...
Mastoid Abscess Mastoidectomy
The underlying cause of this patient's postauricular mastoid abscess is revealed as the mastoidectomy proceeds. There was a large cholesteatoma eroding into the mastoid has revealed by this white collection...
Congenital Epiderman Cyst of the Tympanic Membrane
Note the round white cyst in the tympanic membrane just overlying the malleus of this right tympanic membrane. This is a rare intratympanic membrane epidermal cyst.
Large Congenial Cholesteatoma
This right middle ear is filled with keratin debris has pushed the tympanic membrane laterally and obliterated the normal landmarks. This turned out to be a congenital cholesteatoma.
Congenital Cholesteatoma
The white "cyst" seen in this middle ear behind the right tympanic membrane in this teenager is a congenital localized epidermal cyst [a congenital cholesteatoma].
Cholesteatoma Left Ear
The white mass seen in the postero-superior quadrant of this left middle ear is a cholesteatoma. Note the crust superiorly in the 12 o'clock position which cover over the attic area from which this cholesteatoma...
Attic Cholesteatoma
Note the granulation tissue arising from the attic area of this left middle ear. This "Herodion" signals an underlying cholesteatoma in the middle ear.
Cholesteatoma
The white mass of keratin surrounding the malleus of this left middle ear is a cholesteatoma. Note the large central perforation.
Attic Perforation with Keratin and Grommet In-situ
Figure showed a small left attic perforation with trapped keratins despite (typical sac with bottle-neck opening), retracted eardrum and grommet in-situ.