Publication: False-positive dengue IgM test result in a patient with systemic lupus erythematosus: A case report
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Issued Date
2020-10-01
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ISSN
1875855X
19057415
19057415
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2-s2.0-85096127914
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Mahidol University
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SCOPUS
Bibliographic Citation
Asian Biomedicine. Vol.14, No.5 (2020), 209-213
Suggested Citation
Supitcha Kamolratanakul, Pravinwan Thungthong, Chajchawan Nakhakes, Chokchai Kittiyanpanya, Putza Chonsawat, Supat Chamnanchanunt False-positive dengue IgM test result in a patient with systemic lupus erythematosus: A case report. Asian Biomedicine. Vol.14, No.5 (2020), 209-213. doi:10.1515/abm-2020-0030 Retrieved from: https://repository.li.mahidol.ac.th/handle/123456789/60399
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Title
False-positive dengue IgM test result in a patient with systemic lupus erythematosus: A case report
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Abstract
© 2020 Supitcha Kamolratanakul et al., published by Sciendo 2020. Dengue virus infection most commonly has mild-to-moderate nonspecific clinical presentations that overlap with other diseases. Dengue-specific tests are commonly used for those patients with acute febrile illness in dengue-endemic areas. There is one study in vitro that showed a false-positive dengue-immunoglobulin M (dengue IgM) test for blood from a patient with systemic lupus erythematosus (SLE). Here, we demonstrated a false-positive dengue IgM test in a patient with SLE. The patient had fever, cytopenia, and a skin rash, but her clinical variables more closely matched with the criteria for SLE than the dengue infection. Vasculitis-like-lesions supported prednisolone administration and her clinical symptoms improved. This case highlights that some patients with SLE can be misdiagnosed as having a viral infection. These two diseases have similar clinical findings, such as acute febrile illness, but they are different in terms of their treatments and disease prognosis.