Citation, DOI, disclosures and article data
Citation:
Weerakkody Y, Sharma R, Elhusseiny A, Tympanosclerosis. Reference article, Radiopaedia.org (Accessed on 23 Apr 2024) https://doi.org/10.53347/rID-155508
Tympanosclerosis is a descripitve terms which refers to deposition of hyalinised collagen +/- calcium in the tympanic cavity. If it occurs in solely tympanic membrane, it is termed myringosclerosis 1.
It can often be associated with chronic otomastoiditis is which instance it is termed chronic otomastoiditis with tympanosclerosis.
Radiographic features
CT
On CT petrous temporal bone, bone window images may demonstrate focal calcifications in the tympanic cavity. It may be present in any location, visible as focal calcified densities in the middle ear cavity often along tendons and also in direct apposition to the ossicular chains 1.
See also
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1. Trojanowska A, Drop A, Trojanowski P, Rosińska-Bogusiewicz K, Klatka J, Bobek-Billewicz B. External and Middle Ear Diseases: Radiological Diagnosis Based on Clinical Signs and Symptoms. Insights Imaging. 2012;3(1):33-48. doi:10.1007/s13244-011-0126-z - Pubmed
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2. Swartz J, Wolfson R, Marlowe F, Popky G. Postinflammatory Ossicular Fixation: CT Analysis with Surgical Correlation. Radiology. 1985;154(3):697-700. doi:10.1148/radiology.154.3.3918333 - Pubmed
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3. Larem A, Abu Rajab Altamimi Z, Aljariri A et al. Reliability of high‐resolution CT Scan in Diagnosis of Ossicular Tympanosclerosis. Laryngoscope Investigative Otolaryngology. 2021;6(3):540-8. doi:10.1002/lio2.594 - Pubmed
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4. Moon W, Park D, Lee S et al. Tympanosclerosis of the Middle Ear: Radiologic-Surgical Correlation. J Korean Radiol Soc. 1998;38(2):211. doi:10.3348/jkrs.1998.38.2.211
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