[Paraneoplastic dermatoses].
Paraneoplastic dermatoses are rare cutaneous manifestations that are secondary to an underlying neoplasm. They may precede the diagnosis of cancer by months or even years. Some clinical presentations are relatively specific, which allows for an early diagnosis and treatment of certain cancers. In this context, their recognition by both specialists and non-specialists is essential. The aim of this article is to highlight some of these clinical presentations.