本病例临床特点　　患儿明显反复额部外伤后出现肿物、逐渐增大并向附近扩散 ,肿物有红肿但无热痛 ,无发热 ;不规则使用抗生素治疗 ,Ｂ超示肿物为实质性 ,使用皮质激素后肿物完全消失 ,停药后又迅速增大 ,同时出现肝脾肿大 ,血象呈白血病性改变 ,母亲的化学物品接触史为诊断提 In this case, the clinical features of children with obvious frontal trauma after repeated masses, gradually increased and spread to the vicinity, the mass was red and swollen but no thermal pain, no fever; irregular use of antibiotics, B ultrasound showed that the substance was substantial After the use of corticosteroids, the tumor completely disappeared and rapidly increased after discontinuation of the drug. At the same time, hepatosplenomegaly occurred. The blood was leukemia-like. The history of the mother’s chemical exposure was diagnosed.