Results 12,7,5,5,3 cases were misdiagnosed as Henoch-Schonlein purpura,primary ITP,Seborrheic dermatitis,urticaria and eczema.

• 结果误诊为过敏性紫癜12例、原发性血小板减少性紫癜7例、脂溢性皮炎、荨麻疹各5例、湿疹3例。