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Traumatic Tattoo: A Melanoma Mimic
The almost black nature of the lesion arouses suspicion for melanoma. A conservative excisional biopsy revealed this to be a traumatic tattoo, however.
A 58-year-old man became concerned when he first noticed a flat, dark area on his left upper arm. The lesion was set against a background of fairly severe photodamage. Family history was positive for melanoma (mother and 1 of 4 sisters).
Key point: The almost black nature of the lesion arouses suspicion for melanoma. This diagnostic concern is augmented by the variability in lesion color apparent on the close-up view. A conservative excisional biopsy, however, revealed this to be a traumatic tattoo (accidental or deliberate implantation of a dark-colored material, such as graphite or metal, into the dermis).
Treatment: The excisional biopsy led to complete removal, and thus served as definitive treatment.
Note: Many entities can be excellent clinical mimics. Histopathology is invaluable in determining the precise diagnosis.
Biden Administration Announces First 10 Prescription Drugs Slated for Price Negotiations
August 29th 2023The first 10 drugs identified for negotiations under the Inflation Reduction Act include several well advertised agents indicated to treat diabetes, heart failure, and other chronic diseases.
