A 31-year-old man presented with an 8-month history of progressive shortness of breath and skin changes. Examination of the skin revealed salt-and-pepper skin changes with areas of depigmentation with relative sparing of the perifollicular areas and preservation of pigmentation over the veins. A biopsy specimen of the forearm showed hyalinized collagen in the dermis. Pigment loss and melanophages were observed in the papillary dermis. What is the diagnosis?
*This image-based content is from Docplexus editorial team for educative purpose only. Source: The New England Journal of Medicine. The answer is posted in the comment section. Click here!
