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Oral melanotic macule in Adult
See also in: Oral Mucosal Lesion
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Oral melanotic macule in Adult

See also in: Oral Mucosal Lesion
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Contributors: Stephanie Diamantis MD, Lynn McKinley-Grant MD, Aída Lugo-Somolinos MD, Sook-Bin Woo MS, DMD, MMSc, Carl Allen DDS, MSD
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Synopsis

An oral melanotic macule is a benign hyperpigmentation of the mucous membranes occurring in approximately 3% of the general population. There is an increase in focal melanin deposition without an increase in the number of melanocytes. Melanotic macules are most commonly found on the vermillion border of the lip, lower more often than upper. Lesions can also be found on the gingiva or palate or in the vulva, and they may be multiple. Some experts refer to lesions on the lip as "labial melanotic macules" and to lesions in the vulva as "vulvar melanosis," although histopathology is identical to that at any other mucosal site.

Although benign, biopsy may be needed to rule out a diagnosis of melanoma. Oral melanotic macule is common in patients with darker skin phototypes and is seen more frequently in women than men. Although these macules may appear at any age, the average age at time of presentation to the physician is 40 years. In patients with darker skin phototypes, onset typically occurs in adolescence.

Codes

ICD10CM:
D10.30 – Benign neoplasm of unspecified part of mouth

SNOMEDCT:
403449001 – Melanotic macule of oral mucosa (reactive type)

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Last Updated: 11/01/2018
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Oral melanotic macule in Adult
See also in: Oral Mucosal Lesion
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Oral melanotic macule : Lips, Oral brown macule
Clinical image of Oral melanotic macule
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