mildly melanotic mucosa Malignant melanoma—cutaneous and mucosal. a, b Melanoma of the right Smokers melanosis . Oral pigmentation

Smokers melanosis . Oral pigmentation seen in heavy smokers . Investigations have shown ability of melanin to bind to noxious substances. . Exposure to polycyclic amines ( Nicotine & benzpyrene) has shown Melanosis coli: a contrast effect or an oncogenic effect? A large scale retrospective cohort study International Journal of Colorectal Disease Springer Nature Link Pigmented Lesions of the Oral Mucosa: Clinical Presentation, Histology, and Recommendations for Management American Journal of Clinical Dermatology Springer Nature Link Differential Diagnosis of Pigmented Lesions in the Oral Mucosa: A Clinical Based Overview and Narrative Review Black and Brown: Non neoplastic Pigmentation of the Oral Mucosa PMC

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