Recombinant human thyrotropin versus thyroid hormone withdrawal in an Asian population

Endocrine ◽  
2020 ◽  
Vol 69 (1) ◽  
pp. 126-132
Author(s):  
Charlene Yu Lin Tang ◽  
Sue Ping Thang ◽  
Sumbul Zaheer ◽  
Chung Kong Kwan ◽  
David Chee-Eng Ng
2019 ◽  
Vol 181 (4) ◽  
pp. R133-R145 ◽  
Author(s):  
Luca Giovanella ◽  
Leonidas H Duntas

The use of recombinant human thyrotropin (rhTSH) testing in the diagnosis and therapy of differentiated thyroid cancer (DTC) has been adopted over the last two decades as an alternative to the classical thyroid hormone withdrawal avoiding the threat of hypothyroidism. Serum thyroglobulin (Tg) measurement is crucial for monitoring DTC patients over time. Until about a decade ago, optimal sensitivity of Tg assays for the detection of smaller disease foci required Tg measurement after thyrotropin (TSH) stimulation, carried out following thyroid hormone withdrawal or rhTSH administration. In very recent years, significant improvements in assay technology have resulted in highly sensitive Tg (hsTg) assays, sufficiently sensitive to obviate the need for rhTSH stimulation in most DTC patients. The aim of this paper is to review and discuss, via a ‘pros and cons’ approach, the current clinical role of rhTSH to stimulate radioiodine (RAI) uptake for treatment and/or imaging purposes and to increase the clinical sensitivity of Tg measurement for monitoring DTC patients when high-sensitive Tg assays are available.


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