● Calciphylaxis is a serious disorder with high morbidity and mortality and no approved therapy. Intralesional sodium thiosulfate (ILSTS) has not been well-studied as a treatment modality. ● This retrospective study identifies ILSTS as a potentially effective treatment option for…

• Little is known about the impact of systemic immunosuppressive (IS) medications common to dermatology on COVID-19 risk. • IS for IMID were not associated with increased risk of SARS-CoV-2 infection or severe sequelae, and anti-TNFα monotherapy was associated with…

Multiple biologics for psoriasis exist and interleukin (IL)-17 inhibitors are among those with best efficacy. However, switching treatment is often required at some point and intraclass switch of IL-17 inhibitors is not well investigated.

Capsule summary:Dark pigmented lesions could be challenging based on clinical and dermatoscopic examination only. The integration of reflectance confocal microscopy of 370 dark pigmented lesions with clinical and dermatoscopic suspicion of melanoma, allowed to save 60.6% of unnecessary excisions while…

Surgical margin size in Merkel cell carcinoma is controversial, however, we found that if adjuvant radiotherapy (aRT) is given, patients with narrow or even microscopically-positive margins have excellent local disease control. If aRT is planned, narrower surgical margins are adequate,…