Cutaneous Anthrax Infection

Figure 1. A seven-month-old male infant was hospitalized with a two-day history of swelling of the left arm and a weeping lesion at the left elbow (Panel A). The patient was afebrile but had a 2-cm open sore, with surrounding erythema and induration, that oozed clear yellow fluid. There was nontender swelling and erythema of the entire arm. The white-cell count was 28,100 per cubic millimeter. Incision and drainage of the lesion produced 10 ml of dark red fluid. A coronal, T1-weighted sequence from a magnetic resonance imaging study (Panel B) demonstrated diffuse, severe edema of the subcutaneous tissues extending . . .