AUTHOR=Soria Rivas Ainara , Bea-Ardebol Sonia , Vida Navas Elena , Muñoz-Arrones Óscar M. , Cabañas-Montero Luis Jacobo , Mena-Mateos Antonio , López-Campos Fernando , Corral Moreno Sara , Pérez-Muñoz Israel , González Lizan Fausto , Sanz Pascual María , Serrano Domingo Juan Jose 

TITLE=Treatment of metastatic squamous cell carcinoma arising in sacrococcygeal pilonidal sinus: a case report series

JOURNAL=Frontiers in Medicine

VOLUME=Volume 10 - 2023

YEAR=2023

URL=https://www.frontiersin.org/journals/medicine/articles/10.3389/fmed.2023.1248894

DOI=10.3389/fmed.2023.1248894

ISSN=2296-858X

ABSTRACT=Cutaneous squamous cell carcinoma arising in a pilonidal sinus is a very rare entity, with an estimated 100 cases reported in the literature, the vast majority of which are localized. Metastatic disease or disease that requires systemic treatment is even rarer, which represent a therapeutic challenge. In this sense, we aim to share our experience as multidisciplinary team in the treatment of this entity, at the same time that we try to summarize the evidence published to date. To the best of our knowledge, this is the largest series published to