Typical rash showing necrotizing lesions, plaques of purpuric angioedema, and excoriations predominantly localized on the lower limbs. A skin biopsy was performed from the area indicated by the arrow. A: Necrotizing lesions and plaques of purpuric angioedema on the bilateral lower legs and the tops of feet. B: Excoriations on the plaque of purpuric angioedema.
Li et al. Diagnostic Pathology 2013 8:185 doi:10.1186/1746-1596-8-185