BUCCAL (MUCOSAL) PIGMENTATION

localised:

Peutz-Jeghers syndrome

amalgam tattoos

malignant melanoma

congenital variant in brown-eyed, black-haired persons

associated with other or generalised pigmentation:

normal in dark-skinned races

Addison's disease

chronic cachexia

malabsorption syndrome, eg. Whipple's disease

haemochromatosis

heavy metals (lead, mercury, bismuth)

drugs, eg. oral contraceptive pill, anti-malarials, tranquillisers

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