1Consensus on diagnosis and treatment of childhood vasculitis in China:GeneralAcademic Group of Pediatric Rheumatology and Immunology,Society of Pediatrics,Chinese Medical Doctor AssociationGUIDELINES,STANDARDS AND CONSENSUS241-2472Consensus on diagnosis and treatment of childhood vasculitis in China:Takayasu's arteritisAcademic Group of Pediatric Rheumatology and Immunology,Society of Pediatrics,Chinese Medical Doctor AssociationGUIDELINES,STANDARDS AND CONSENSUS248-2533Diagnosis and treatment strategy of very early-onset infla-mmatory bowel diseaseHUANG Ying, YE Zi-qingSYMPOSIUM254-2584Study on the mechanism of single cell technology to assist inflammatory bowel diseaseGENG Lan-lanSYMPOSIUM258-2615Research advance in predicting the efficacy of anti-TNF therapy for pediatric inflammatory bowel diseaseHAN Ya-nan, FANG YingSYMPOSIUM262-2666Treatment monitoring and prognosis assessment of Crohn's disease in childrenSU Wen, XIAO YuanSYMPOSIUM266-2707Application of biological agents in children with inflammatory bowel diseaseCAO Zhong-qiang, ZHOU Hui-zi, WANG Zhao-xiaSYMPOSIUM271-2768Nutrition support treatment for inflammatory bowel disease in childrenLI Dong-dan, WU JieSYMPOSIUM276-2819Endoscopic treatment for Crohn's diseaseYU Fei-hongSYMPOSIUM282-28410Etiological analysis of arterial ischemic stroke in children of different age groupsZHOU Ji, ZHUO Xiu-wei, ZHANG Wei-huaORIGINAL CONTRIBUTION285-29011Study of SYNGAPI gene-related neurological phenotypes spectrum and characteristics of gene variationTAN Quan-zhen, YANG Ying, NIU Xue-yangORIGINAL CONTRIBUTION291-29612Diet and drug therapy for Wilson's diseaseFANG Wei-yuan, WANG Jian-sheREVIEW297-300,30613Research progress on the risk factors of pediatric acute recurrent pancreatitisTUO Wei, LI Zhong-yueREVIEW301-30614Introduction to the screening tool for autism in two-year-olds(STAT)SONG Jia-li, DAI YingREVIEW307-31315A case report of Wiskott-Aldrich syndrome characterized by monocytosis and literature reviewLUO Xian-ze, ZHAO Qin, TANG Xue-meiCASE REPORT314-320