Fig. 3
From: Multi-organ failure induced by Nivolumab in the context of allo-stem cell transplantation
Extensive immune infiltrate in skin biopsies. Skin biopsies were fixed in formal acetic alcohol and included in paraffin. a HES staining at low magnification (×100). b HES at high magnification (×400), lymphocytes CD3 + (c), CD4 + (d), CD8 + (e) located along the dermoepidermal junction, at low magnification (×100) (f) and g immune cells and keratinocytes PD-L1 + at low (e ×100) and high magnification (f ×400)