Publication date: Available online 9 February 2017
Source:Journal of the American Academy of Dermatology
Author(s): Jun Yeong Park, Eun Byul Cho, Eun Joo Park, Hye Rim Park, Kwang Ho Kim, Kwang Joong Kim
BackgroundThe histopathologic differences among palmar psoriasis (PP), hand eczema (HE), and hyperkeratotic hand dermatitis (HHD) have been poorly described.ObjectivesWe sought to distinguish among PP, HE, and HHD on a histopathologic basis.MethodsWe retrospectively analyzed the histology of hematoxylin-eosin–stained sections obtained from 96 patients diagnosed with PP, HE, or HHD.ResultsThe patients were divided into 4 subgroups: PP (n = 16, group A), HE without atopic or nummular dermatitis (n = 41, group B), HE with atopic or nummular dermatitis (n = 14, group C), and HHD (n = 25, group D). Loss of the granular layer (group A 62.5%, group B 24.4%, group C 0%) was more consistent with a diagnosis of PP (P = .047) than HE (P = .002). Psoriasiform epidermal hyperplasia (group B 36.6%, group C 35.7%, group D 72.0%) favored a diagnosis of HHD (P = .01) over HE (P = .043).LimitationsLimitations of this study include its retrospective nature and small sample size.ConclusionOur study demonstrated that a significant difference exists in the thickness of the granular layer between PP and HE, which might be helpful in differentiating between these 2 conditions. There was no difference between PP and HHD.
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Medicine by Alexandros G. Sfakianakis,Anapafseos 5 Agios Nikolaos 72100 Crete Greece,00302841026182,00306932607174,alsfakia@gmail.com,
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Παρασκευή 10 Φεβρουαρίου 2017
The histopathological differentiation between palmar psoriasis and hand eczema: A retrospective review of 96 cases
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