Segmental pigmentation disorder
Segmental pigmentation disorder producing block-like hyperpigmentation on the right abdomen with a sharp midline cut-off
Keywords: Block-like hyperpigmented patch, Male, Mid-line demarcation, Non-scaling, Trunk
What is segmental pigmentation disorder?
Segmental pigmentation disorder (SegPD) refers to a subset of localised cutaneous pigmentary anomalies without systemic manifestations. It is characterised by unilateral hypo- or hyperpigmented patches, predominantly on the frontal torso with a sharp midline delineation.
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Source: dermnetnz.org