Regression.

A 21-year-man consulted for this lesion on his arm

Dermoscopy revealed:

• a whitish - pinkish structureless area
• with gray dots

in favor of a regressive lesion.

Pathology was in favor of a fully regressive melanocytic lesion. A fully regressive melanoma cannot be ruled out. 

Regression

A 61-year-old man consulted for a pigmented lesion on his back.

Clinically this lesion was asymmetrical with 2 colours: pink and black.

Dermoscopy revealed: regression signs with a pink area, blue gray dots with a peppering aspect.

Pathology report: fibrosis and inflammation, hypermelanosis. Melanophages developed on a 1 mm depth. Immunochemistry: anti-human A negative.

In conclusion, this lesion was a fully regressive melanoma.

We recommend to read this article:

Dermoscopy of fully regressive melanoma. L. Thomas and al.

The British Journal of Dermatology. 2008;158(6):1224-1229