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Erythema dyschromicum perstans is also called ashy dermatosis (of Ramirez), because of its colour. The pigmented patches may be symmetrical in distribution or unilateral. Early lesions may be reddish in colour, often with a more pronounced border, and they may be somewhat elevated.
15 maj 2019 · No gold standard treatments have been established yet. The most successful treatment to date has been clofazimine, although topical tacrolimus, oral dapsone, narrowband ultraviolet light B phototherapy, and isotretinoin have shown treatment success.
2 kwi 2017 · We report two cases of acquired macular (hyper)pigmentation of uncertain aetiology diagnosed as ashy dermatosis and attempt to clarify the various confusing nosologies based on existing...
7 lip 2021 · Erythema dyschromicum perstans (EDP), also known as ashy dermatosis (AD), is an uncommon, acquired macular pigmentary disorder which can be clinically challenging to distinguish from LPP. 28 Both can present as small or large macules and patches of brown to grey pigmentation.
Clinical and histopathological findings were thought to be most consistent with EDP, and the patient, who weighed 78 kg, was subsequently treated with isotretinoin, 20 mg/d. Within the first 4 months of therapy, the dermatosis improved 90%, and no new lesions were noted (Figure, B).
3 wrz 2018 · Ashy dermatosis (AD), lichen planus pigmentosus (LPP), erythema dyschromicum perstans (EDP), and idiopathic eruptive macular pigmentation are several acquired macular hyperpigmentation disorders of uncertain etiology described in literature.
This report supports the therapeutic efficacy of clofazimine in the treatment of ashy dermatosis.
