Author:
Ishikawa Takuya,Sakai Hiroyuki,Itaya Tokutaro,Hirotsugu Suwanai,Shikuma Jumpei,Miwa Takashi,Suzuki Ryo,Odawara Masato
Abstract
Abstract
Background
Anti-streptavidin antibodies are causal determinants of analytical interference during Thyroid function tests, and numerous reports have detailed such interference, with anti-streptavidin antibodies attracting attention.
Case presentation
We conducted a straightforward investigation of interference due to anti-streptavidin antibodies, with a case of a 60-year-old Japanese man who consulted our department for inconsistencies between his clinical course and Thyroid function tests. Experiments were conducted using Cobas8000 e602, which employs assay procedures with pre-wash to evaluate FT4 and FT3 levels.
Conclusions
To our knowledge, this is the first published report to clearly investigate such interferences using a combination of polyethylene glycol precipitation, heterophilic blocking tube precipitation, streptavidin-coated magnetic particle precipitation, and different instruments with or without pre-wash. Clinicians should consider that interferences caused by anti-streptavidin antibodies could lead to a misdiagnosis of thyrotoxicosis. Moreover, discussions between laboratory specialists, clinicians, and manufacturers are required to identify interferences and avoid unnecessary examinations and inappropriate treatment.
Publisher
Springer Science and Business Media LLC
Subject
Endocrine and Autonomic Systems,Endocrinology,Endocrinology, Diabetes and Metabolism
Cited by
2 articles.
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