Case of The Week: Acquired Double Lip Double lip is a rare deformity of the face, which can occur as congenital or acquired anomaly.
It consists of a fold of excess or redundant hypertrophic tissue on the mucosal side of the lip and is caused by excessive areolar tissue of labial mucous and gland hyperplasia of the pars villosa.
Double lip can occur as congenital and acquired types. The congenital double lip is due to developmental anomaly.
During the fetal period, the mucosa of the upper lip is divided into two transverse zones pars glabrosa and pars villosa.
Pars glabrosa is the outer smooth zone close to the skin. Pars villosa is the inner zone similar to the mucosa of the oral cavity. Pars villosa is thought to arise during the 2nd and 3rd months of gestation.
Persistence of exaggerated horizontal sulcus between the pars glabrosa and the pars villosa gives rise to the congenital type of double lip. It is commonly seen in the upper lip but may also involve the lower lip. Acquired double lip may be secondary to trauma, or oral habits such as sucking the lip.
A 70 year-old female was referred with a chief complaint of unsightly double lower lip. She reported a worsening of the condition during the last year to the point family and friends were also became concern.
There was no history of any congenital anomalies. Figure 1 After examination and diagnosis of acquired double lip anomaly, the hyper-plastic hpv warts tongue treatment was removed with the CO2 Laser.
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Figure 2 Histological examination revealed normal stratified squamous epithelium covering hpv warts tongue treatment fibrous tissue. Figure 3 The postoperative period was uneventful and without paresthesia.
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A week later, she presented with normal contour of the vermillion border and very pleased with the surgical outcome. Figures