両側唇裂に合併した両側上唇瘻の1例 [in Japanese] A case of bilateral upper lip pits with bilateral cleft lip [in Japanese]
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Congenital lip pits usually occur in the lower lip or the angle of mouth, but those in the upper lip are extremely rare. We report a case of bilateral upper lip pits with bilateral cleft lip. The patient was a 1-month-old girl with bilateral cleft lip. Two congenital lip pits were symmetrically located on the upper lip. Excision of these lip pits was performed at the time of cheiloplasty. Histological examination showed that the lip pit tract was lined by squamous epithelium. Surgical excision provided a good outcome without recurrence of lip pits. However, the etiology of congenital upper lip pits remains obscure.
- Journal of Oral Surgery Society of Japan
Journal of Oral Surgery Society of Japan 50(11), 649-651, 2004-11-20
Japanese Society of Oral and Maxillofacial Surgeons