Cutaneous pseudolymphoma is a benign condition characterized by a reactive B-cell, T-cell or mixed lymphoproliferative process. Different causative agents (e.g. injected substances, tattoo, drugs and insect bites) have been described, but in many cases no cause can be identified; hence, the term idiopathic cutaneous pseudolymphoma. There are no specific guidelines for the treatment of cutaneous pseudolymphoma, and sometimes a few cases are refractory to conventional treatments. We describe a case of a 41-year-old African woman with refractory facial IgG4 pseudolymphoma successfully treated with upadacitinib.

Upadacitinib in refractory cutaneous pseudolymphoma: A case report

Elisabetta Danese;Tea Curic;Francesco Bellinato;Chiara Colato;Paolo Gisondi;Giampiero Girolomoni
2025-01-01

Abstract

Cutaneous pseudolymphoma is a benign condition characterized by a reactive B-cell, T-cell or mixed lymphoproliferative process. Different causative agents (e.g. injected substances, tattoo, drugs and insect bites) have been described, but in many cases no cause can be identified; hence, the term idiopathic cutaneous pseudolymphoma. There are no specific guidelines for the treatment of cutaneous pseudolymphoma, and sometimes a few cases are refractory to conventional treatments. We describe a case of a 41-year-old African woman with refractory facial IgG4 pseudolymphoma successfully treated with upadacitinib.
2025
upadacitinib, cutaneous pseudolymphoma, JAK inhibitors
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11562/1165707
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