Malignant transformation of a spiradenoma with blaschkoïd pattern.

Eccrine spiradenoma is a benign and rare adnexal tumor originating from cutaneous eccrine sweat glands. It usually presents as a solitary lesion. It can have different presentations, including a blaschkoid arrangement which is rare.

[Desquamative erythrodermia].

Paraneoplastic dermatoses are a spectrum of cutaneous manifestations which may precede, coincide with or follow the diagnosis of cancer. Our study aims to remind clinicians that desquamative erythrodermia is a form of paraneoplastic dermatosis which may occur during hematologic malignancies. Hence the importance of a complete assessment to identify a neoplastic process in the presence of these clinical signs and especially when they are suspect.