Mucosal melanotic maculehttps://en.wikipedia.org/wiki/Oral_pigmentation#Melanotic_macule
Mucosal melanotic macule e mafai ona maua i luga o le gutu mucosa, laugutu, gutu, ma gingiva. O le mucosal melanotic macule o manuʻa e maua i totonu o le gutu, ma e mafua mai i le fa’atupula’ia o le lanu o le epithelium ma le lamina propria. I le fa’ailoga i le fomaʻi, e masani lava le lanu ena‑ena, uliuli, lanumoana po’o le efuefu o lo’o va’aiga lelei. O le manuʻa e masani lava e itiiti i le 10 mm le lautele, ae mafai ona lapopoa i nisi tulaga. O se faamaʻi benign.

Suiga ma Togafiti
O le tele o le lelei pe a tutusa le foliga ma le lanu.

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      References Black and Brown: Non-neoplastic Pigmentation of the Oral Mucosa 30671761 
      NIH
      Addison’s Disease (Hypoadrenocorticism),Peutz–Jeghers Syndrome,Laugier–Hunziker Syndrome (Idiopathic Lenticular Mucocutaneous Pigmentation),Drug-Related Discolorations,Melanotic Macule,Melanoacanthoma,Smoker’s Melanosis,Amalgam Tattoo/Foreign Body Tattoo,Black Hairy Tongue