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Zwaveling-Soonawala, N. (author), Trotsenburg, A.S. (author), Verkerk, P.H. (author)
Congenital hypothyroidism (CH) may be of thyroidal (CHT) or central origin (CHC). Worldwide, most neonatal screening programs are TSH based and effectively detect CHT. Only a few screening programs measure total or free T4 and TSH simultaneously or stepwise, enabling detection of CHT as well as CHC. A frequently used argument against screening...
article 2015
document
Zwaveling-Soonawala, N. (author), Trotsenburg, A.S. (author), Verkerk, P.H. (author)
Context. In central hypothyroidism (CeH) free thyroxine (FT4) concentrations are low while TSH concentrations may be low, normal or even slightly elevated due to reduced bioactivity. Congenital CeH (CCeH) may be isolated or part of multiple pituitary hormone deficiency (MPHD). Objective. To test our hypotheses that (1) TSH concentrations have a...
article 2018