| • | exact relationship to LP uncertain but there are close similarities and both conditions may coexist |
| • | vacuolization of the basal layer seems to be the primary histologic event |
clinical:
| • | macular, ashen-gray-blue hypermelanosis |
| • | trunk, face, upper extremities |
| • | often Latin or Indian descent |
| • | histology: active border shows vacuolar degeneration of the basal cells; pigmentary incontinence |
| • | treatment: bleaching creams, topical steroids |
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