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A 34-year-old woman presented with long-standing severe asthma and chronic idiopathic angioedema. We found 2 lesions on her back ([Figure 1][1], [Figure 2][2]). The lesions had occurred spontaneously 10 years ago and had grown slightly bigger over that time. They were quite painful, tender and itchy
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McCabe et al. (2008) studied this question.
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