PMC9979868_01
Cobblestoning and hyperechoic subcutaneous air with "dirty" shadowing, suggestive of necrotizing fasciitis.
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A point-of-care ultrasound (POCUS) of the left foot was performed which showed extensive cobblestoning without a discrete fluid collection, and deeper "dirty" shadowing suggestive of subcutaneous air (Figure 1).
Lateral view of a plain radiograph showing extensive subcutaneous air concerning for necrotizing fasciitis.
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In the emergency department, an X-ray of the patient's foot was performed revealing diffuse soft tissue gas (Figure 2).