Which physical findings are characteristic of oral and labial melanotic macules in lentigo?

Updated: Feb 23, 2021
  • Author: Robert A Schwartz, MD, MPH; Chief Editor: William D James, MD  more...
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Oral and labial melanotic macules are similar to each other. Labial lesions almost always occur on the vermilion of the lower lip, and their color ranges from brown to blue to blue-black. Occasionally, variegated pigmentation occurs. The lesions are usually solitary, symmetric, and asymptomatic. Oral lesions can appear on the gingiva, buccal mucosa, palate, and tongue. Usually, oral and labial lesions have a diameter smaller than 4 mm. The individual's age at onset ranges from 25-71 years.

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