Cholesteatoma Attic Ct
Fd Acquired Pars Flaccida Cholesteatoma Left Coronal T Bone Ct Image Shows An Atticoantral Nondependent Homogeneous Soft Radiology Image Shows Head And Neck
Cholesteatoma
Eardrums Seen In 8 Conditions Normal Eardrum Acute Otitis Media Perforation Small Perforation Attic Perforation Attic Chol Otitis Otitis Media Ear Health
The Radiology Assistant Temporal Bone Anatomy 2 0 In 2020 Radiology Anatomy Facial Nerve
Image Result For Scutum Erosion Facial Nerve Eustachian Tube Dysfunction Middle Ear
Ct Through The Orbits Obtained Initially Without Contrast And Then With Contrast While The Patient Performed A Valsalva Manoeuvre In The Kt Ppn
Diagnosis is clinical based on history and otoscopic findings.
Cholesteatoma attic ct. Cholesteatomas are not cancerous as the name may suggest but can cause significant problems because of their erosive and expansile properties. Findings are characteristic of an acquired cholesteatoma. The mass extends superiorly into the attic and appears to have eroded through the tegmentum as well as through the fallopian canal of the facial nerve and perhaps the lateral semicircular canal. The pars flaccida cholesteatoma originates in prussak space and usually extends posteriorly while the pars tensa cholesteatoma originates in the posterior mesotympanum and tends to extend posteromedially.
Axial bone window left sided otitis media reaching upto epitympanum and prussack s space and communicating with mastoid antrum with collection in mastoid air cells. The scutum and lateral attic wall were the most common bony erosions in the middle ear bony wall 64 3 and the incus was the most eroded ossicle in the middle ear 88 2. A cholesteatoma is an abnormal skin growth in the middle ear. Ct ct is the modality of choice for diagnostic assessment of cholesteatomas due to its ability to demonstrate the bony anatomy of the temporal bone in exquisite detail.
Case contributed by. Often presents with a malodorous ear discharge with associated hearing loss. Cholesteatoma is an accumulation of squamous epithelium and keratin debris that usually involves the middle ear and mastoid. A discrete soft tissue lesion is seen in middle ear cavity.
As the cholesteatoma fills the aditus ad antrum the adjacent lateral semicircular canal is at risk. Cholesteatoma is a destructive and expanding growth consisting of keratinizing squamous epithelium in the middle ear and or mastoid process. This case is a. Upon reaching the posterolateral wall of the attic further expansion of the cholesteatoma is deflected superiorly toward the aditus ad antrum and mastoid antrum.
Ct is required for preoperative planning reconstruction of ossicles if needed and to exclude perforation of the bony tegmen. It may be a birth defect but it s most commonly caused by repeated. A cholesteatoma is an abnormal noncancerous skin growth that can develop in the middle section of your ear behind the eardrum. The study showed that a high incidence of cholesteatoma in the third decade of life.
