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An Unusual Meningothelial Element in a Hairy Polyp of the Hard Palate

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Àå½ÃÇü, ¹Î°æȯ, ³ª¿õ, ¹é½Â»ï, Àå¼¼¹Î,
¼Ò¼Ó »ó¼¼Á¤º¸
Àå½ÃÇü ( Jang Si-Hyong ) 
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ º´¸®Çб³½Ç

¹Î°æȯ ( Min Kyueng-Whan ) 
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ º´¸®Çб³½Ç
³ª¿õ ( Na Woong ) 
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ º´¸®Çб³½Ç
¹é½Â»ï ( Paik Seung-Sam ) 
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ º´¸®Çб³½Ç
Àå¼¼¹Î ( Jang Se-Min ) 
ÇѾç´ëÇб³ ÀÇ°ú´ëÇÐ º´¸®Çб³½Ç

Abstract


Hairy polyps are a rare malformations of bigerminal origin that comprise of both ectodermal and mesodermal elements. Meningothelial elements are an extremely rare pathologic finding in hairy polyps. Here we report a case of a hairy polyp with a meningothelial element, which originated from the hard palate. A 1-year-old boy was evaluated for an intraoral mass accompanied by multiple congenital anomalies. A small polypoid mass was noted at the midline of the hard palate. The lesion had central fibroconnective tissue with an unusual stromal component showing reticulated anastomosing pseudovascular patterns. Immunohistochemical staining of the cells lining the pseudovascular spaces and the interstitial cells revealed vimentin and epithelial membrane antigen positivity.

Å°¿öµå

Hard palate;Polyp;Meningothelial element

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