MYOEPITHELIOMAS Meaning and
Definition
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Myoepitheliomas are relatively rare tumors that arise from the myoepithelial cells found in various glands throughout the body. These tumors are typically benign, but can occasionally exhibit malignant characteristics. Myoepithelial cells are specialized contractile cells that surround glandular epithelial cells, providing structural support and aiding in the secretion of glandular products.
Myoepitheliomas can develop in different locations including salivary glands, breast, lungs, skin, and soft tissues. They are typically well-circumscribed and slow-growing, appearing as firm or rubbery masses. The exact cause of these tumors is still not fully understood.
Histologically, myoepitheliomas exhibit a range of cellular characteristics, including varying amounts of clear, eosinophilic, spindled, or plasmacytoid cytoplasm. They often have nuclei with minimal atypia and increased mitotic activity is rare.
Although most myoepitheliomas are benign, their clinical behavior can differ depending on location. Treatment typically involves surgical removal of the tumor, ensuring complete excision to prevent recurrence. Occasionally, radiation therapy may be used for malignant or recurrent cases.
While myoepitheliomas are generally manageable and have a good prognosis, malignant forms can be more aggressive and associated with a higher risk of recurrence and metastasis. Regular follow-up is important to monitor for any signs of recurrence or tumor growth. Further research is needed to better understand the etiology, pathogenesis, and behavior of myoepitheliomas.
Common Misspellings for MYOEPITHELIOMAS
- nyoepitheliomas
- kyoepitheliomas
- jyoepitheliomas
- mtoepitheliomas
- mgoepitheliomas
- mhoepitheliomas
- muoepitheliomas
- m7oepitheliomas
- m6oepitheliomas
- myiepitheliomas
- mykepitheliomas
- mylepitheliomas
- mypepitheliomas
- my0epitheliomas
- my9epitheliomas
- myowpitheliomas
- myospitheliomas
- myodpitheliomas
- myorpitheliomas
- myo4pitheliomas
Etymology of MYOEPITHELIOMAS
The word "myoepitheliomas" is derived from combining two terms: "myo" and "epitheliomas".
1. Myo: The prefix "myo-" comes from the Greek term "mys" which means muscle. It is related to the Latin word "musculus" meaning muscle. In medical terminology, "myo-" is used to refer to anything related to muscles.
2. Epitheliomas: The term "epithelioma" is derived from the Greek words "epi", meaning upon, and "thelion", meaning nipple. "Epithelioma" initially referred to tumors of the nipple. However, the meaning of the word has evolved to encompass various types of malignant tumors derived from epithelial cells.
