Halo and pseudo-halo melanoma

      In case 1, a 34-year-old man had a pigmented lesion on his abdomen surrounded by an incomplete whitish halo ( Fig 1, A and B). In case 2, a 59-year-old woman had a dark-brown papule on her leg, surrounded by a symmetric whitish halo. She claimed to have applied sunscreen to protect the “mole” ( Fig 1, C and D).
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      Fig 1 Halo nevus-like melanoma ( A and B) and pseudo-halo melanoma ( C and D) caused by sunscreen application. A, Clinical image and close-up ( B) of a flat pigmented lesion surrounded by an incomplete whitish rim located on the left side of the abdomen of a 34-year-old man. C, Clinical overview and close-up ( D) of a dark-brown papule on the leg of a 59-year-old woman. The lesion is surrounded by a symmetric whitish halo.

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