Conclusions Infectious disease, collagen vascular disease and neoplasm were the major cause of FUO.

结论感染性疾病 、 缔组织病、性肿瘤是发热待查的主要原因.

Infectious diseases, collagen vascular disease and neoplasm are the major causes of FUO in children.

感染性疾病、结缔组织病和恶性肿瘤性疾病是该组FUO的主要原因。

Objective To explore the diagnostic value of splenectomy in patients with fever of unknown origin(FUO).

目的探讨脾切除术在不明原因发热（FUO）中的诊断价值。

Objective:To investigate the causes and diagnostic methods of fever of unknown origin (FUO) in children.

目的：探讨儿童发热待查（FUO）病因构成及诊断方法。

Objective: To investigate the causes and diagnostic methods of fever of unknown origin (FUO) in children.

目的：探讨儿童发热待查（FUO）病因构成及诊断方法。

Objective To explore the diagnostic value of splenectomy in patients with fever of unknown origin ( FUO ).

目的探讨脾切除术在不明原因发热( FUO ) 中的诊断价值.