Patch testing and histopathology in Thai patients with hyperpigmentation due to Erythema dyschromicum perstans, Lichen planus pigmentosus, and pigmented contact dermatitis.

@article{Tienthavorn2013PatchTA,
  title={Patch testing and histopathology in Thai patients with hyperpigmentation due to Erythema dyschromicum perstans, Lichen planus pigmentosus, and pigmented contact dermatitis.},
  author={Tanongkiet Tienthavorn and Poohglin Tresukosol and Poonnawis Sudtikoonaseth},
  journal={Asian Pacific journal of allergy and immunology},
  year={2013},
  volume={32 2},
  pages={
          185-92
        }
}
BACKGROUND Erythema dyschromicum perstans (EDP)/Ashy dermatosis (AD), Lichen planus pigmentosus (LPP) and Pigmented contact dermatitis (PCD) are common skin diseases featuring abnormal pigmentation which have overlapping clinical features. OBJECTIVE To search for differences in the natural history, clinical features, histopathology and relevant contact allergens in patients those were clinically diagnosed as AD, LPP and PCD in our outpatient clinic. METHOD 43 patients were enrolled into the… CONTINUE READING

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  • 2018
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