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While both tests can be effective, dermoscopy is often preferred as the first diagnostic tool since it's non-invasive and doesn't break the skin. This method uses a special magnifying lens with light to examine different skin layers and look for characteristic PN patterns, like pearly white areas with dark crusts.
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I was not aware of dermascopy. Is this an expensive piece of equipment for a dermatologist to have in the office? I learned from experience with the punch biopsy that there is a need to identify an appropriate lesion from which to take the sample to submit to the laboratory.
Both biopsies came back nonspecific. I asked what that means, just what it says. I am supposed to take dupixent on this diagnosis?
Well, I wish the 9 Dermatologists had known of the Dermoscopy! As through the almost 17 years of dealing with this horrible disease PN w/LSC (aka Lichen Simplex Chronicus) I have had a total of 4 biopsies, 3 punch biopsies, and 1 scraping which all of these have created more inflammation of the lesions on my scalp! I mentioned to my present Dermatologist that I am sure I am dealing with the scar tissue from them which has made my scalp much worse from those invasive biopsies, and she agreed! So too late for that now, and then to be diagnosed with Seborrheic Dermatitis has made my scalp worse and definitely my quality of life!
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