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Center ear cholesteatoma is a relevant and relatively common disease that may rich person severe consequences. Stylish the presentpictorial essay, the authors wealthy person selected illustrative examples of multislice computed tomography and attraction resonanceimaging depicting the main presentations of cholesteatomas, and describing their characteristics, locations, and majorcomplications.
Table of contents
- Cholesteatoma essay in 2021
- Attic of the ear
- Cholesteatoma patient information
- Cholesteroloma inner ear
- Inner ear growth
- Cholesteatoma essay 06
- Cholesteatoma essay 07
- Cholesteatoma essay 08
Cholesteatoma essay in 2021
Attic of the ear
Cholesteatoma patient information
Cholesteroloma inner ear
Inner ear growth
Cholesteatoma essay 06
Cholesteatoma essay 07
Cholesteatoma essay 08
How to tell if cholesteatomas is a congenital condition?
Coronal ( A) and axial HRCT ( B) scans demonstrate a round well-defined lesion ( arrow) anterosuperior in the tympanic cavity, medial to the ossicular chain. Note the missing ossicular erosion. Based on the position of the lesion and the lack of bone erosion along with the clinical aspects, this is probably a congenital type.
What is the posttraumatic theory of cholesteatomas?
The “postsurgery/posttraumatic theory” claims iatrogenic implantation of epidermal elements into the middle ear cavity. According to the “retraction pocket theory,” the main trigger for cholesteatoma formation is poor ventilation of the mastoid-cave and the middle ear as a result of eustachian tube dysfunction.
Which is the most widely used classification for cholesteatomas?
The most widely used classifications for cholesteatomas are based on either their pathogenesis or on their location in the middle ear cavity in relation to the TM. The different taxonomies reveal some overlapping, which—by reviewing the literature—makes the comprehensibility difficult.
Are there any advances in radiologic diagnosis of cholesteatomas?
In the past 7 years, improvements in MR imaging techniques have enhanced the sensitivity and specificity of radiologic diagnosis, which may lead to future avoidance of second-look surgeries in cases of residual/recurrent cholesteatomas.
Last Update: Oct 2021