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. 2024 May-Jun;69(3):269-272.
doi: 10.4103/ijd.ijd_420_22. Epub 2024 Jun 26.

Cutaneous Pseudolymphoma after COVID-19 Vaccine Injection

Júlia Verdaguer-Faja  1   2 , Lorena Valdivieso  2   3 , Maria Fabregat-Pratdepadua  1   2 , Gustavo Tapia Melendo  2   3 , Ariadna Quer  2   3 , José M Carrascosa  1   2   4 , Aram Boada  1   2   4
Affiliations

Cutaneous Pseudolymphoma after COVID-19 Vaccine Injection

Júlia Verdaguer-Faja et al. Indian J Dermatol. 2024 May-Jun.
No abstract available

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Conflict of interest statement

There are no conflicts of interest.

Figures

Figure 1
Figure 1
Clinical and dermoscopic findings. (a). Physical examination: a reddish, elastic to touch and well-demarcated nodule, with a rounded and regular outline. (b). Dermoscopic evaluation: multiple non-focused, non-fine vessels on a pinkish erythematous background, with no other specific findings
Figure 2
Figure 2
(a) A benign nodular lymphoid proliferation extending from the superficial to the deep dermis with a top-heavy distribution, and a Grenz zone. (H and E, 2x). (b) Reactive germinal centre formation (H and E, 10x) with (c) small and mature lymphocytes, without atypia. (H and E,40x)
Figure 3
Figure 3
Immunohistochemistry reveals a polymorphous infiltrate with a mixture of B and T cells, highlighted by CD20 (a) and CD3 (b) stains. Germinal centres have a high proliferative index (c), highlighted by Ki67
See this image and copyright information in PMC

References

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