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(A) Pretreatment histology of a 73‐year‐old woman showing hyperkeratosis, atrophy, elastic fiber loss, basement membrane thickening, and dermal hyalinized thickness of 0.4 mm. (B) At the 6‐month follow‐up, histology showed a reduced hyalinized zone with a dermal thickness of 0.25 mm. Hyperkeratosis and atrophy were still present, and basement membrane thickening remained unchanged (hematoxylin and eosin stain)
