What disease, known in antiquity but largely eradicated from the developed world, caused this severe facial scarring?
An undernourished child presents with a facial lesion present for some months (Figure). The problem started as a gingival ulcer with facial edema and progressed to a necrotic black escar. After sloughing of the escar and the external cheek skin, the area finally healed with a scar and retraction over the course of the next weeks.

What is the most likely diagnosis?
Atopic Dermatitis: The Pipeline and Clinical Approaches That Could Transform the Standard of Care
September 24th 2025Patient Care tapped the rich trove of research and expert perspectives from the Revolutionizing Atopic Dermatitis 2025 conference to create a snapshot of the AD care of the future.