Citation, DOI, disclosures and article data
Citation:
Gaillard F, Knipe H, Rasuli B, et al. Myoepithelioma. Reference article, Radiopaedia.org (Accessed on 28 Mar 2024) https://doi.org/10.53347/rID-1709
Disclosures:
At the time the article was last revised Henry Knipe had the following disclosures:
- Integral Diagnostics, Shareholder (ongoing)
- Micro-X Ltd, Shareholder (ongoing)
These were assessed during peer review and were determined to
not be relevant to the changes that were made.
View Henry Knipe's current disclosures
Myoepitheliomas and malignant myoepitheliomas were considered a variant of pleomorphic adenomas until 1991. However, these are also found in the breast and bronchus and have gained recognition as separate entities 1.
They account for <1% of salivary gland tumors, and only rarely undergo malignant transformation (0.2-0.45% of all malignant salivary gland tumors). The age of presentation ranges from 20-60 years of age 1.
The parotid gland and accessory salivary glands are the main sites of occurrence 1.
Imaging appearance is essentially the same as pleomorphic adenomas 1.
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1. Monzen Y, Fukushima N, Fukuhara T. Myoepithelioma and Malignant Myoepithelioma Arising from the Salivary Gland: Computed Tomography and Magnetic Resonance Findings. Australas Radiol. 2007;51:B169-72. doi:10.1111/j.1440-1673.2007.01816.x - Pubmed
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