Cholesteatoma Attic 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.

Cholesteatoma attic ct.

It often develops as a cyst that sheds layers of old skin and may. A cholesteatoma is an abnormal noncancerous skin growth that can develop in the middle section of your ear behind the eardrum. 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.

Cholesteatoma is not a neoplasm and can be thought of most simply as skin in the wrong place. Ct scan computerized tomography. Diagnosis is clinical based on histor. After the cholesteatoma has been taken out your ear may be packed with a dressing.

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. This will need to be removed. The attic is just above the eardrum. To remove a cholesteatoma you usually need to have surgery under general anaesthetic.

If untreated a cholesteatoma can eat into the three small bones located in the middle ear the malleus incus and stapes collectively called ossicles which can result in nerve deterioration. Although a cholesteatoma is histologically identical to an epidermoid or epidermal. 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. Although benign it may enlarge and invade adjacent bone.

This may include a ct scan to see whether the cholesteatoma has spread and which parts of your ear are affected. Keywords temporal bone cholesteatoma middle ear external auditory canal introduction a cholesteatoma is a cystic mass filled with keratin and lined by stratified squamous epithelium. This can tell your doctor. This is a series of x ray images that show your doctor a detailed picture of the bones blood vessels and soft tissue inside your ear.

When findings of the 13 year olds and 13 year olds were combined the commonest site of cholesteatoma was the attic 66 of 128 which is 51 6 followed by extension into mastoid 54 of 128 which is 43 2 subsequently followed by extension into the sinus tympani 33 of 128 which is 25 8. Ct through the temporal bone demonstrates a soft tissue mass in prussak s space which has eroded the scutum and erodes the ossicles and displaces them medially. Treating a cholesteatoma surgery.