Michael Kunz, MD, Helena Svensson, MD, PhD, John Paoli, MD

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Presentation transcript:

Dermoscopic rainbow pattern: A clue to diagnosing aneurysmal atypical fibroxanthoma Michael Kunz, MD, Helena Svensson, MD, PhD, John Paoli, MD JAAD Case Reports Volume 4, Issue 4, Pages 292-294 (May 2018) DOI: 10.1016/j.jdcr.2017.09.018 Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions

Fig 1 Violaceous nodule measuring 10 × 10 mm on scalp of 90-year-old male patient with aneurysmal atypical fibroxanthoma (case 1). JAAD Case Reports 2018 4, 292-294DOI: (10.1016/j.jdcr.2017.09.018) Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions

Fig 2 Dermoscopic picture showing a central violet and white structureless area surrounded by a pinkish-red halo. In the center, multiple, partly radially arranged, whitish, irregular clods are present, with a few presenting with a central brown color or surrounded by violet then red color producing a rainbow pattern (case 1). JAAD Case Reports 2018 4, 292-294DOI: (10.1016/j.jdcr.2017.09.018) Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions

Fig 3 Dome-shaped, bluish-red nodule on the left temple of a 75-year-old male patient with aneurysmal atypical fibroxanthoma (case 2). JAAD Case Reports 2018 4, 292-294DOI: (10.1016/j.jdcr.2017.09.018) Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions

Fig 4 Dermoscopic picture showing a pink-red to dark-blue background color with abundant white shiny lines of varying thicknesses and lengths surrounded by brown, red, and blue colors reminiscent of a rainbow pattern (case 2). JAAD Case Reports 2018 4, 292-294DOI: (10.1016/j.jdcr.2017.09.018) Copyright © 2017 American Academy of Dermatology, Inc. Terms and Conditions