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Am J Trop Med Hyg. 2015 Feb;92(2):367-9. doi: 10.4269/ajtmh.14-0247. Epub 2014 Nov 10.

Two cases of false-positive dengue non-structural protein 1 (NS1) antigen in patients with hematological malignancies and a review of the literature on the use of NS1 for the detection of Dengue infection.

Author information

1
Department of Infectious Diseases, Singapore General Hospital, Singapore; Department of Laboratory Medicine, Tan Tock Seng Hospital, Singapore; National Public Health Laboratory, Ministry of Health, Singapore; Communicable Diseases Centre, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore; Yong Loo Lin School of Medicine, National University, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore jasmine.chung.s.m@sgh.com.sg.
2
Department of Infectious Diseases, Singapore General Hospital, Singapore; Department of Laboratory Medicine, Tan Tock Seng Hospital, Singapore; National Public Health Laboratory, Ministry of Health, Singapore; Communicable Diseases Centre, Institute of Infectious Diseases and Epidemiology, Tan Tock Seng Hospital, Singapore; Yong Loo Lin School of Medicine, National University, Singapore; Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore.

Abstract

Early diagnosis of dengue has been made easier in recent years owing to the advancement in diagnostic technologies. The rapid non-structural protein 1 (NS1) test strip is widely used in many developed and developing regions at risk of dengue. Despite the relatively high specificity of this test, we recently encountered two cases of false-positive dengue NS1 antigen in patients with underlying hematological malignancies. We reviewed the literature for causes of false-positive dengue NS1.

PMID:
25385858
PMCID:
PMC4347343
DOI:
10.4269/ajtmh.14-0247
[Indexed for MEDLINE]
Free PMC Article

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