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Hypergammaglobulinemic purpura of Waldenström in children

Hypergammaglobulinemic purpura of Waldenström (HGPW), a rare cutaneous eruption characterized by the triad of recurrent episodes of lower extremity petechiae, symptoms of stinging and burning, and lower extremity edema, is poorly described in children. Some children have been reported to follow a benign course, while others are eventually diagnosed with fulminant rheumatologic disease.