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pigmented lesions in the mouth
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Causes include:
- heavy metals - lead, bismuth, iron - a dark line below the gingival lining
- drugs
- oral contraceptive pill - black or brown areas anywhere in the mouth
- antimalarials
- Addison's disease - bluish tinge opposite the molars
- Peutz-Jegher spots - brown spots on the lips
- telangiectasia - may suggest Osler-Weber-Rendu syndrome
- melanoma
Tiny yellow spots in the mouth may be Fordyce spots - sebaceous glands.
Last reviewed 01/2018
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