Background: Progressive cribriform and zosteriform hyperpigmentation\n(PCZH) is a disorder of pigmentation. Although several cases of PCZH have\nbeen reported, cases that associated with vitiligo have not been published in\nthe past. Aim: We report the case to reveal the interesting mosaicism reflecting\non the skin. Case Presentation: This case presents a phenomenon of the\ncoexistence of hyperpigmentation and depigmentation arranged in unilateral\nand symmetric distribution in one patient. Conclusion: The aetiology of the\npigmental disorders is still unknown. The linear nature of the pigmented\nbands probably reflects the clonal migration and proliferation of embryonic\nmelanoblasts, so somatic mosaicism that develops during embryogenesis appears\nto be the underlying aetiology, which is leading to proliferation and migration\nof two mixed populations of melanocytes with different potential for\npigment production.
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