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KMID : 0352119930090010107
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Journal of Kyung Hee University
1993 Volume.9 No. 1 p.107 ~ p.110
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3 Cases of Correction of Congenital Double Lip
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Abstract
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Congenital double lip is a rare congenital anomaly of lip, more commonly the upper lip, characterized by transverse furrow between two vermilion borders and hypertrophies of labial glands in buccal portion of the double lip.
It was considered there was no hereditary hisotry and any obvious acquired etiologic factor but recently, some authors reported interesting hereditary history.
In embryology, transverse furrow dividing the double lip represents as an exaggerated boundary line between pars glabra and parse villosa, and also represents a hypertrophy of pars villosa in the buccal portion of the double lip.
We have experienced 3 cases of congenital double lip and were corrected with elliptical excision under local anesthesia.
On microscopic examination, the buccal portion of double lip consists of normal appearance mucosal layer with overlying prominant hyperplastic mucous glands scattered in a normal dermal layer and there was no evidence of inflammation and muscle
fiber in
buccal portion.
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KEYWORD
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