Case Report
Amalgam Tattoo Mimicking Mucosal Melanoma: A Diagnostic Dilemma Revisited
Table 1
Causes of intraoral pigmentation.
| Endogenous | Exogenous |
| Hereditary or congenital | Medicationand toxicity related | Physiologic pigmentation (skin type 5-6) | Antimicrobial agents | Peutz-Jeghers syndrome | Antiarrhytchmic agents | Laugier-Hunziker syndrome | Oral contraceptives | | Cytostatics | Systemic or infectious | Smokers melanosis | Addison’s disease | | Petechiae, varices, or thrombus | Traumatic | | Haematoma | Neoplastic or melanin related | Postinflammatory pigmentation | Naevi | Oral melanoacanthosis | Pigmented maculae | | Mucosal melanoma | Other exogenous pigmentations | Kaposi’s sarcoma | Amalgam tattoos | Haemangioma | Accidental graphite tattoos | | Tribal tattoos |
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