Shear wave elastography in medullary thyroid carcinoma diagnostics

Journal of Ultrasonography
Katarzyna Dobruch-SobczakMarek Dedecjus

Abstract

Shear wave elastography (SWE) is a modern method for the assessment of tissue stiffness. There has been a growing interest in the use of this technique for characterizing thyroid focal lesions, including preoperative diagnostics. The aim of the study was to assess the clinical usefulness of SWE in medullary thyroid carcinoma (MTC) diagnostics. A total of 169 focal lesions were identified in the study group (139 patients), including 6 MTCs in 4 patients (mean age: 45 years). B-mode ultrasound and SWE were performed using Aixplorer (SuperSonic, Aix-en-Provence), with a 4-15 MHz linear probe. The ultrasound was performed to assess the echogenicity and echostructure of the lesions, their margin, the halo sign, the height/width ratio (H/W ratio), the presence of calcifications and the vascularization pattern. This was followed by an analysis of maximum and mean Young's (E) modulus values for MTC (EmaxLR, EmeanLR) and the surrounding thyroid tissues (EmaxSR, EmeanSR), as well as mean E-values (EmeanLRz) for 2 mm region of interest in the stiffest zone of the lesion. The lesions were subject to pathological and/or cytological evaluation. The B-mode assessment showed that all MTCs were hypoechogenic, with no halo sign, and they contain...Continue Reading

Citations

Jul 19, 2016·Current Opinion in Endocrinology, Diabetes, and Obesity·Flavia MagriLuca Chiovato
Feb 1, 2020·Journal of Ultrasound in Medicine : Official Journal of the American Institute of Ultrasound in Medicine·Jin-Hua TangLian-Fang Du

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