Abstract
Most congenital lip fistulas are located in the lower lip and are usually associated with cleft lip and palate. The etiology of the fistula is still unknown. However, what seems to be the most likely explanation supported generally is that the origin of the fistula may be related to the presence of lateral sulci on the developing mandibular arch. The fistulous tract extends in the substance of the lip under the mucosa, running towards the labio-gingival inflection ending blindly.This paper adds one case with discussion. The authors have excised the entire fistula tract, including the surrounding salivary glands with very satisfactory results and without complication.
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