Assessment of qualitative and quantitative parameters of healthy thyroid gland in adult horses by magnetic resonance imaging

2021 ◽  
Author(s):  
Gustavo Fernandes Viana ◽  
Monica Midon ◽  
Mariana Werneck Fonseca ◽  
Alessandre Hataka ◽  
Luciana Carandina ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Magnetic Resonance ◽  
Thyroid Gland ◽  
Resonance Imaging ◽  
Qualitative And Quantitative ◽  
Quantitative Parameters

scholarly journals Quantitative Clinical Cardiac Magnetic Resonance Imaging

2019 ◽  
Vol 192 (03) ◽  
pp. 246-256 ◽  
Author(s):  
Ursula Reiter ◽  
Clemens Reiter ◽  
Corina Kräuter ◽  
Volha Nizhnikava ◽  
Michael H. Fuchsjäger ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Cardiac Magnetic Resonance ◽  
Magnetic Resonance ◽  
Cardiac Magnetic Resonance Imaging ◽  
Cardiac Mri ◽  
Visual Analysis ◽  
Normal Values ◽  
Resonance Imaging ◽  
Clinical Routine ◽  
Quantitative Parameters

Background Cardiac magnetic resonance imaging (MRI) represents the established reference standard method for the assessment of cardiac function and non-invasive evaluation of myocardial tissue in a variety of clinical questions, wherein quantification of cardiac parameters gains growing diagnostic and differential-diagnostic importance. This review aims to summarize established and newly emerging quantitative parameters, which are assessed in routine cardiac MRI. Interrelations and interdependencies between metrics are explained, and common factors affecting quantitative results are discussed. Method The review is based on a PubMed literature research using the search terms “cardiac magnetic resonance” and “quantification”, “recommendations”, “quantitative evaluation/assessment”, “reference method”, “reference/normal values”, “pitfalls” or “artifacts” published between 2000–2019. Results and Conclusion Quantitative functional, phase contrast, and perfusion imaging, as well as relaxation time mapping techniques give opportunity for assessment of a large number of quantitative cardiac MRI parameters in clinical routine. Application of these techniques allows for characterization of function, morphology and perfusion of the heart beyond visual analysis of images, either in primary evaluation and comparison to normal values or in patients’ follow-up and treatment monitoring. However, with implementation of quantitative parameters in clinical routine, standardization is of particular importance as different acquisition and evaluation strategies and algorithms may substantially influence results, though not always immediately apparent. Key Points:  Citation Format

scholarly journals Ectopic Lingual Thyroid

2015 ◽  
Vol 2015 ◽  
pp. 1-4 ◽  
Author(s):  
Khaled Khamassi ◽  
Habib Jaafoura ◽  
Fahmi Masmoudi ◽  
Rim Lahiani ◽  
Lobna Bougacha ◽  
...  
Keyword(s):  
Magnetic Resonance Imaging ◽  
Thyroid Hormone ◽  
Magnetic Resonance ◽  
Thyroid Gland ◽  
Lingual Thyroid ◽  
Embryological Development ◽  
Thyroid Scintigraphy ◽  
Resonance Imaging ◽  
Base Of The Tongue

Ectopy of the thyroid gland is an abnormal embryological development. Its occurrence in children is rare. In this study, we report the case of a 12-year-old girl that presented with dysphagia and nocturnal dyspnea. Magnetic resonance imaging confirmed the presence of a lingual thyroid. Thyroid scintigraphy showed intense and elective uptake of radiotracer at the base of the tongue. Hormonal tests revealed hypothyroidism. Treatment consisted of opotherapy based on levothyroxine. Evolution has been favourable and the patient showed significant improvement with reduction of the dyspnea and the dysphagia and normalization of thyroid hormone tests.

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