Attic Cholesteatoma Ct

This may include a ct scan to see whether the cholesteatoma has spread and which parts of your ear are affected.

Attic cholesteatoma ct.

1 nondependent soft tissue density mass associated with attic mesotympanum or antrum 2 typical location and 3 bony erosion of the middle ear bony walls ie scutum attic wall tympanic spine tegmen sigmoid sinus plate korner s. The hallmarks of the cholesteatoma on ct scan are based on the presence of one or more of the following. 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. Ct is required for preoperative planning reconstruction of ossicles if needed and to exclude perforation of the bony tegmen.

Cholesteatoma is a destructive and expanding growth consisting of keratinizing squamous. Non ionizing radiation imaging techniques may be suitable to replace a ct scan if determined necessary by your. This will need to be removed. 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.

Treating a cholesteatoma surgery. Ct is the modality of choice for detailed anatomical structure extension and erosion. 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. Cholesteatomas appear as regions of soft tissue attenuation exerting mass effect and resulting in bony erosion.

The attic is just. 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. Although a cholesteatoma is histologically identical to an epidermoid or epidermal. If the cholesteatoma has been dry the cholesteatoma may present the appearance of wax over the attic.

Cholesteatoma is not a neoplasm and can be thought of most simply as skin in the wrong place. Ct gives information about the relationship to the ossicles tegmen tympani erosion potential membranous labyrinth fistula the facial nerve canal erosions. After the cholesteatoma has been taken out your ear may be packed with a dressing. To remove a cholesteatoma you usually need to have surgery under general anaesthetic.

This case represents mri imaging features of bilateral acquired cholesteatoma with marked diffusion restriction and bone destruction. It often develops as a cyst that sheds layers of old skin and may.