Pigmented Lesions of the Oral Mucosa

Aguirre, Alfredo; Alawi, Faizan; Tapia, José Luís

doi:10.1002/9781119597797.ch5

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2023

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“…Unlike for their cutaneous counterparts, the different histological subtypes of oral melanocytic nevi don't have any distinguishing clinical characteristics, and can't be differentiated from a malignant melanoma. However, they are usually asymptomatic, solitary, well circumscribed, less than 1 cm, macular or nodular in appearance, and brown or blue in color [9,10].…”

Section: Discussionmentioning

confidence: 99%

A curious swelling of the lingual gingiva: case report

Strokov,

Raybaud,

Cardot-Leccia

et al. 2023

J Oral Med Oral Surg

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Introduction: Melanocytic nevi are benign tumors composed of nevus cell, thought to be derived from the neural crest. While they are unusual in the oral mucosa, they contrastingly represent the most diagnosed pigmented lesion on the skin. Observations: A 68-year-old woman presented with an asymptomatic ”epulis-like”, pale pink swelling of the lingual gingiva and slowly growing in the last 6 months. Excisional biospy was performed with a hypothesis of fibroma but the histopathologic examination revealed surprisingly an achromic intramucosal nevus. Conclusion: The unusual appearance in these cases suggests that oral melanocytic nevi should be included as a rare possibility in the differential diagnosis of swellings in the gingiva, regardless of their clinical pigmentation.

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Section: Discussionmentioning

confidence: 99%