In the United States, significant improvement in diagnosis and outcomes for children affected with severe combined immunodeficiency has followed institution of newborn screening using an assay to measure T-cell receptor excision circles in newborn dried blood spot specimens. Key to this outcome is the avoidance of infectious complications in infants with severe combined immunodeficiency.
Keywords: Hematopoietic cell transplant (HCT); Newborn screen (NBS); Severe combined immunodeficiency (SCID); T-cell lymphopenia; T-cell receptor excision circles (TRECs).
Copyright © 2018 Elsevier Inc. All rights reserved.