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. 2018 Sep 21;8:37. doi: 10.1186/s13601-018-0222-y

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© The Author(s) 2018

Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

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Fig. 1 — Patient 1—clinical photography of patient before (a) and after (b) treatment, histopathological sections of skin showing leukocytoclastic vasculitis with mild erythrocyte extravasation (e, f). Patient 2—clinical photography of patient before (c) and after (d) treatment, and histopathological sections of skin showing leukocytoclastic vasculitis with perivascular neutrophilic infiltrate and erythrocyte extravasation around small dermal vessels (g) and fibrinoid deposits within a vessel wall (h)