The histopathological differentiation between palmar psoriasis and hand eczema: A retrospective review of 96 cases - 14/12/17
, Kwang Joong Kim, MD, PhD aAbstract |
Background |
The histopathologic differences among palmar psoriasis (PP), hand eczema (HE), and hyperkeratotic hand dermatitis (HHD) have been poorly described.
Objectives |
We sought to distinguish among PP, HE, and HHD on a histopathologic basis.
Methods |
We retrospectively analyzed the histology of hematoxylin-eosin–stained sections obtained from 96 patients diagnosed with PP, HE, or HHD.
Results |
The 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).
Limitations |
Limitations of this study include its retrospective nature and small sample size.
Conclusion |
Our 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.
Le texte complet de cet article est disponible en PDF.Abbreviations used : AD, HE, HHD, ND, PP
Plan
| Funding sources: None. |
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| Conflicts of interest: None declared. |
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| Reprints not available from the authors. |
Vol 77 - N° 1
P. 130-135 - juillet 2017 Retour au numéro
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