LAUSR

Nivolumab is a monoclonal antibody directed against PD1 (programmed cell death 1) that can improve survival in patients with metastatic melanoma. Such immune checkpoint inhibitors have been known to induce type 1 diabetes mellitus (T1D) [1, 2].A 54-year-old woman reported enlarging black nodules on her left sole, which had been present for seven months (figure 1A). CT imaging revealed swollen lymph nodes in the left inguinal and pelvic regions (figure 1B). After clinical diagnosis of malignant melanoma [...]