Resumo

MANENZHE, SC; NGWENYA, SP; SHANGASE, SL  e  MOHANGI, GU. Oral medicine case book 75: Mucoepidermoid carcinoma of the lower lip: review and a case report. S. Afr. dent. j. [online]. 2017, vol.72, n.6, pp.262-265. ISSN 0375-1562.  https://doi.org/10.17159/2519-0105/2017/v72no6a3.

Mucoepidermoid carcinoma (MEC) is the most common malignancy of salivary gland origin, comprising 30% of all these neoplasms. Major salivary glands are more commonly involved, with most MECs presenting in the parotid gland. The palate is the most commonly involved site in minor salivary glands. MEC of the lower lip is extremely rare with only a few cases reported in the literature. We report a case of a low grade MEC of the lower lip in a 49 year old female patient. She presented with a mass in the lower lip of six month's duration with a history of a recent rapid increase in size. Surgical resection was the treatment of choice and histopathological examination of the excised mass confirmed a diagnosis of low grade MEC. We present this case to highlight that although relatively rare, MEC should be included in the differential diagnoses of lower lip masses.

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