2.其他体征全身淋巴结及肝、脾大者提示恶性疾病如白血病、淋巴瘤等；巨脾应考虑到继发于寄生虫感染、溶血性疾病、肝硬化等的脾功能亢进；皮肤湿疹、反复感染及出血倾向应考虑到皮肤湿疹-感染-血小板减少综合征。
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