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Case Reports
. 2023 Jan 12;15(1):e33692.
doi: 10.7759/cureus.33692. eCollection 2023 Jan.

Segmental Pigmentation Disorder: A Case Report of Hypopigmented Patch

Ammar Bakhsh  1 , Khalid Al Hawsawi  2 , Ola Y Bahadur  3 , Ruba Z Alotaibi  1 , Mohammed F Bondagji  1 , Sarah M Fageeh  1
Affiliations
Case Reports

Segmental Pigmentation Disorder: A Case Report of Hypopigmented Patch

Ammar Bakhsh et al. Cureus. .

Abstract

A segmental pigmentation disorder (SPD) is a form of pigmentary mosaicism. SPD is a hypo- or hyperpigmented patch that has a segmental pattern. A 16-year-old male with an insignificant past medical history presented with symptomless, slowly progressive skin lesions since early childhood. Skin examination revealed well-demarcated, non-scaling, hypopigmented patches on the right upper extremity. A similar spot was located on his right shoulder. Wood's lamp examination showed no enhancement. Differential diagnoses included segmental pigmentation disorder and segmental vitiligo (SV). A skin biopsy was obtained, which revealed normal findings. Based on the above clinicopathological findings, a diagnosis of segmental pigmentation disorder was made. The patient did not receive any treatment but was reassured that he did not have vitiligo.

Keywords: early childhood; mosaicism; segmental pigmentation disorder; segmental vitiligo; vitiligo.

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Conflict of interest statement

The authors have declared that no competing interests exist.

Figures

Figure 1
Figure 1. One large, well-demarcated with irregular borders, non-scaly, hypopigmented patches in the right forearm (a and b) and right shoulder (c).
Figure 2
Figure 2. No enhancement of hypopigmentation on Wood’s lamp examination.
See this image and copyright information in PMC

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