Mucosal melanotic maculehttps://en.wikipedia.org/wiki/Oral_pigmentation#Melanotic_macule
Mucosal melanotic macule inaweza kupatikana kwenye mucosa ya mdomo, mdomo, kaakaa na gingiva. Mucosal melanotic macule ni vidonda vya pigmenti ambavyo ni benign vinavyopatikana katika tundu la kinywa, vinayosababishwa na kuongezeka kwa rangi ya epithelium na lamina propria. Clinically, they present as brown, black, blue or gray areas that are well circumscribed. Uwasilishaji wa kimatibabu ni eneo la hudhurungi, nyeusi, buluu au kijivu ambalo limezingirwa vyema, vidonda kwa kawaida huwa chini ya milimita 10 kwa kipenyo lakini vinaweza kuwa vikubwa katika baadhi ya matukio. Ni hali isiyo hatari.

Uchunguzi na Tiba
Mara nyingi ni benign ikiwa ina umbo na rangi sawa.

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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