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Histological differentiation between palmoplantar pustulosis and pompholyx

Cited 15 time in Web of Science Cited 19 time in Scopus
Authors
Yoon, S.Y.; Park, H.S.; Lee, J.H.; Cho, S.
Issue Date
2013-07
Publisher
Blackwell Publishing
Citation
Journal of the European Academy of Dermatology and Venereology Vol.27 No.7, pp. 889-893
Keywords
복합학
Abstract
Background : Palmoplantar pustulosis (PPP) is a chronic and intensely inflammatory skin disease with pustules, erythema and scaling localized to the palms and soles. Pompholyx is characterized by recurrent crops of vesicles on the lateral aspects of the fingers and the palms and soles. Because both PPP and pompholyx share similar clinical and histological features, it is difficult to differentiate between these two diseases even for dermatologists.

Objective  : To compare the histological features of PPP and pompholyx and to analyse their clinical characteristics.

Methods : The clinical history from 45 patients with PPP and 42 with pompholyx was evaluated. Among these patients, the punch biopsies from acute lesions of 40 PPP patients and 35 pompholyx ones were analysed, blind to the clinical diagnosis.

Results : There was no sexual predilection in either group, and 65.5% of PPP patients had smoking history. About half of the patients had concomitant palmoplantar lesions in PPP and pompholyx respectively. In histological evaluation, loss of granular layer, suprapapillary plates thinning, eosinophils in the pustules or vesicles, tortuous capillaries, capillaries touching the undersurface of epidermis and extravasated erythrocytes were statistically significant features of PPP. Confluent parakeratosis, psoriasiform epidermal hyperplasia, clubbing and anastomosing of the rete ridges favoured PPP. Meanwhile, multiple foci of parakeratosis, irregular epidermal hyperplasia and thinning of rete ridges were more often observed in pompholyx. However, dyskeratotic cells, papillary dermal oedema, dilated capillaries and acrosyringium were not significantly different between the two diseases.

Conclusions : Several histological features could serve as useful clues to differentiate between PPP and pompholyx.
ISSN
0926-9959
Language
English
URI
https://hdl.handle.net/10371/91065
DOI
https://doi.org/10.1111/j.1468-3083.2012.04602.x
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)Journal Papers (저널논문_의학과)
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