期刊
FRONTIERS IN IMMUNOLOGY
卷 12, 期 -, 页码 -出版社
FRONTIERS MEDIA SA
DOI: 10.3389/fimmu.2021.813261
关键词
children; PIK3CD gene; activated phosphoinositide 3-kinase delta syndrome; EBV; plasmablastic lymphoma
类别
资金
- Hunan Provincial Science and Technology Department project [2018SK21216]
Activated phosphoinositide 3-kinase delta syndrome (APDS) is an autosomal dominant primary immunodeficiency caused by acquired gene function mutation, with clinical phenotypes such as recurrent respiratory infections and lymphoproliferation. Regular follow-up of APDS patients is recommended to prevent secondary tumors.
Activated phosphoinositide 3-kinase delta syndrome (APDS) is an autosomal dominant primary immunodeficiency caused by acquired gene function mutation (GOF). APDS has a variety of clinical phenotypes, particularly recurrent respiratory infections and lymphoproliferation. Here we report a pediatric patient with APDS who presented with recurrent respiratory infections, lymphoproliferation, hepatosplenomegaly, bronchoscopy suggesting numerous nodular protrusions in the airways and a decrease in both T and B lymphocytes, and progression to plasmablastic lymphoma (PBL) after 1 year. Whole exome sequencing revealed a heterozygous mutation in the PIK3CD gene (c.3061 G>A p.E1021K). This is the first reported case of APDS combined with PBL and pediatricians should follow up patients with APDS regularly to be alert for secondary tumours.
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