123I thyroid uptake and thyroid size at 24, 48, and 72 hours after the administration of recombinant human thyroid-stimulating hormone to normal volunteers

The Journal of Clinical Endocrinology and Metabolism
Samara PenaLewis E Braverman

Abstract

Recombinant human TSH (rhTSH) is used to evaluate thyroid carcinoma patients and off-label for (131)I thyroid ablation and nontoxic goiter therapy. Our objective was to determine the optimal time for (131)I administration after rhTSH. Twenty-five euthyroid nongoitrous volunteers participated in the study. Baseline 24-h thyroid (123)I uptake (RAIU) was measured, and then 0.1 mg rhTSH was administered. (123)I was administered 24, 48, or 72 h after rhTSH, and a repeat 24-h RAIU was obtained. The study was conducted at an academic research center. Thyroid function tests, thyroid ultrasounds, and electrocardiograms were measured before rhTSH, then daily for 4 d, and finally 7 d after rhTSH. Serum TSH concentrations 24 h after rhTSH increased from 1.7 +/- 0.5 muU/ml (mean +/- sd) to 13.3 +/- 4. The 24-h RAIUs rose from 25 +/- 5 to 47 +/- 8% (88% increase) when the (123)I was given at 24 h after rhTSH and from 29.8 +/- 7 to 40.5 +/- 13% (36% increase) when the (123)I was given at 48 h and were unchanged when the (123)I was given at 72 h. The post-rhTSH RAIU increase was greater at 24 than at 72 h (P < 0.005) and marginally greater than at 48 h (P = 0.057). Thyroid volumes significantly increased 48 h after rhTSH (10 +/- 3.8 vs. 11.1 +...Continue Reading

Citations

Jul 23, 2014·Best Practice & Research. Clinical Endocrinology & Metabolism·Steen Joop BonnemaLaszlo Hegedüs
Aug 26, 2006·Nature Clinical Practice. Endocrinology & Metabolism·Sebastiano FilettiMassimo Torlontano
Aug 22, 2007·Nature Clinical Practice. Endocrinology & Metabolism·Martin SchlumbergerFurio Pacini
Feb 13, 2008·Nature Clinical Practice. Endocrinology & Metabolism·Carole A Spencer, Jonathan S Lopresti
May 18, 2010·Veterinary Radiology & Ultrasound : the Official Journal of the American College of Veterinary Radiology and the International Veterinary Radiology Association·Miguel CamposSylvie Daminet
May 26, 2010·Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists·Hossein GharibUNKNOWN AACE/AME/ETA Task Force on Thyroid Nodules
Feb 23, 2007·Nature Clinical Practice. Endocrinology & Metabolism·Martin SchlumbergerJean-Michel Bidart
Jun 9, 2012·Journal of Veterinary Internal Medicine·M CamposS Daminet
Feb 26, 2013·Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists·Lewis E Braverman, James A Magner
Jul 23, 2009·Current Opinion in Endocrinology, Diabetes, and Obesity·Steen J Bonnema, Laszlo Hegedüs
May 12, 2016·Endocrine Practice : Official Journal of the American College of Endocrinology and the American Association of Clinical Endocrinologists·Hossein GharibUNKNOWN AACE/ACE/AME Task Force on Thyroid Nodules
May 1, 2009·Journal of Nuclear Medicine : Official Publication, Society of Nuclear Medicine·Søren FastLaszlo Hegedüs

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