mjl1717
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laryngeal papilloma could be due to unprotected sex and other HPV viruses beside 16, 18, 31, 33, 35,
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| nadiabarati
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So you mean just etiology is the difference?
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| mjl1717
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yes thats my semi educated guess
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Smell the coffee! "Is That an Osler move??"
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| nadiabarati
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Thanks. But as I see, you always have quite educated guesses. Good job
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| mildus
Forum Guru
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Well, only macroscopical appearance of those two lesions is similar since they both present as prominence into the lumen of the larynx.
Laryngeal papilloma is a real benign epithelial neoplasm; it is caused by HPV low risk types like 6 and 11.
Singer's nodule is not a real neoplasm, as I remember it contains teleangiectasiae and mixomatous stroma, while lining epithelium can be atrophic or hyperplastic or even displastic but no malignant alteration is expected.
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