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DOI: 10.5935/2526-8732.20220289
Dermatofibrosarcoma: report of a case with complete response to imatinib and conservative surgery during the COVID-19 pandemic
Dermatofibrossarcoma: relato de um caso com resposta completa ao imatinibe e cirurgia conservadora durante a pandemia de COVID-19Financial support: None to declare.

ABSTRACT
Dermatofibrosarcoma protuberans (DFSP) is an extremely rare and potentially aggressive soft tissue tumor. Around 85 to 90% of DFSP cases are low-grade tumors, while the fibrosarcomatous variant (DFSP-FS) is associated with medium and high-grade neoplasms. DFSP affects more young adults, in their 30s; however, it can be present in all ages. It has a high potential for locoregional dissemination and recurrence, directly related to tumor size. In the present study, a case of dermatofibrosarcoma protuberans with local recurrence after surgical treatment will be reported, subsequently treated with imatinib and a new surgical approach, with no new recurrences so far. The effectiveness of imatinib is noted in a deep, infiltrative and relapsed DFSP, in which upfront surgery would cause significant functional and cosmetic damage. Imatinib allowed an important clinical improvement for the patient, with tumor reduction in the initial weeks of treatment.
Publication History
Received: 18 July 2021
Accepted: 31 August 2021
Article published online:
09 March 2022
© 2022. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)
Thieme Revinter Publicações Ltda.
Rua do Matoso 170, Rio de Janeiro, RJ, CEP 20270-135, Brazil
Rafael Martins Steffen, Arthur Fernandes Pacheco, Gabriela Camilo Teixeira, Bruna Alejandra Orellana Santos, Marina Quaglio Oinegue Fulfaro, Ketleen Koga, Amanda Fonseca Nunes Ferreira, James Cotaet, Deborah Krutman Zveibil, Rafael Ricardo da Silva Miranda Zapata. Dermatofibrosarcoma: report of a case with complete response to imatinib and conservative surgery during the COVID-19 pandemic. Brazilian Journal of Oncology 2022; 18: e-20220289.
DOI: 10.5935/2526-8732.20220289
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