Early kinetics of thyroid trap in normal human patients and in thyroid diseases

European Journal of Nuclear Medicine
J P BazinM Tubiana

Abstract

A six-compartment model is proposed for the study of early iodine kinetics (150 min) in the human thyroid gland including three compartments for extrathyroidal spaces. The results were compared with those obtained with an open two-compartment thyroid model. In six euthyroid subjects the values of the unidirectional thyroid clearance R41 = 86 +- 25 ml/min and of the irreversible clearance R65 = 22 +- 9 ml/min were consistent with those generally accepted. With TSH stimulation a clear increase in the thyroidal pump effectiveness was found without an increase in the irreversible clearance. In four untreated thyrotoxic patients a tenfold increase in the unidirectional thyroid clearance was found (p less than 0.01). The binding rate was much less increased and overlapped with the normal values; a large increase in the iodide compartment volumes was found. The unidirectional clearance remained elevated in seven patients after Carbimazole treatment and the binding rates were reduced. The six-compartment model demonstrated a rapid exit from the bound iodine compartment. In three of four goitrous patients studied, the thyroid unidirectional clearance was significantly increased ( p less than 0.001). The volumes of the iodide compartment...Continue Reading

Citations

Jul 1, 1972·The International Journal of Applied Radiation and Isotopes
May 1, 1993·Computer Methods and Programs in Biomedicine·Y MerléA Aurengo
Feb 27, 2014·Nuclear Medicine Communications·Boris ShapiroRoman Schipper
Oct 1, 1992·Scandinavian Journal of Clinical and Laboratory Investigation·P NuutilaJ Viikari
Aug 12, 2004·Journal of Radiation Research·Noboru TakamuraShunichi Yamashita
Jan 1, 1982·Journal of Endocrinological Investigation·M JonckheerF Deconinck

❮ Previous
Next ❯

Related Concepts

Trending Feeds

COVID-19

Coronaviruses encompass a large family of viruses that cause the common cold as well as more serious diseases, such as the ongoing outbreak of coronavirus disease 2019 (COVID-19; formally known as 2019-nCoV). Coronaviruses can spread from animals to humans; symptoms include fever, cough, shortness of breath, and breathing difficulties; in more severe cases, infection can lead to death. This feed covers recent research on COVID-19.

Blastomycosis

Blastomycosis fungal infections spread through inhaling Blastomyces dermatitidis spores. Discover the latest research on blastomycosis fungal infections here.

Nuclear Pore Complex in ALS/FTD

Alterations in nucleocytoplasmic transport, controlled by the nuclear pore complex, may be involved in the pathomechanism underlying multiple neurodegenerative diseases including Amyotrophic Lateral Sclerosis and Frontotemporal Dementia. Here is the latest research on the nuclear pore complex in ALS and FTD.

Applications of Molecular Barcoding

The concept of molecular barcoding is that each original DNA or RNA molecule is attached to a unique sequence barcode. Sequence reads having different barcodes represent different original molecules, while sequence reads having the same barcode are results of PCR duplication from one original molecule. Discover the latest research on molecular barcoding here.

Chronic Fatigue Syndrome

Chronic fatigue syndrome is a disease characterized by unexplained disabling fatigue; the pathology of which is incompletely understood. Discover the latest research on chronic fatigue syndrome here.

Evolution of Pluripotency

Pluripotency refers to the ability of a cell to develop into three primary germ cell layers of the embryo. This feed focuses on the mechanisms that underlie the evolution of pluripotency. Here is the latest research.

Position Effect Variegation

Position Effect Variagation occurs when a gene is inactivated due to its positioning near heterochromatic regions within a chromosome. Discover the latest research on Position Effect Variagation here.

STING Receptor Agonists

Stimulator of IFN genes (STING) are a group of transmembrane proteins that are involved in the induction of type I interferon that is important in the innate immune response. The stimulation of STING has been an active area of research in the treatment of cancer and infectious diseases. Here is the latest research on STING receptor agonists.

Microbicide

Microbicides are products that can be applied to vaginal or rectal mucosal surfaces with the goal of preventing, or at least significantly reducing, the transmission of sexually transmitted infections. Here is the latest research on microbicides.

Related Papers

Physics in Medicine and Biology
P EspinasseB Lahneche
Comparative Biochemistry and Physiology. Comparative Physiology
S Vadstrup
The Journal of Clinical Endocrinology and Metabolism
J S CobbJ C Massey
The Journal of Clinical Endocrinology and Metabolism
L J DegrootR Phair
The Journal of Clinical Endocrinology and Metabolism
R A McGuire, M T Hays
© 2021 Meta ULC. All rights reserved