Magnetic Resonance Elastography
The acoustic waves used in MRE are generated by a dedicated active driver system. Due to the limitation on the use of magnetic components within a strong magnetic field, the…
ULTRASONOGRAPHY
Future Applications for Elastography
One application that requires a slow compression is poroelastography, in which the flow of interstitial fluid under compression, which occurs over several seconds, is measured. The clinical analogy is the…
Elastography of the Prostate
Prostate Cancer Screening PCa systematic screening has been challenged again following the publication of the recent recommendations by the French National Authority for Health (HAS).2 The aim of systematic screening…
Elastography for Diffuse Liver Disease
Related posts: Introduction to Elastography Elastography for Focal Liver Disease Elastography of the Spleen, Pancreas, and Kidneys Elastography of the Thyroid Gland Elastography of the Musculoskeletal System Elastography of the…
Elastography for Focal Liver Disease
Elastography for Focal Liver Disease Stephanie R. Wilson 4.1 Introduction Characterizing focal liver masses comprises a significant component of health care costs with substantial impact on patient management both in health…
Introduction to Elastography
Comparison of different modes of medical ultrasonography Mode What is measured: What is displayed: B-mode Acoustic impedance Anatomy Doppler Motion Vascular flow Elastography Mechanical properties Tissue stiffness Ultrasound elastography (commonly…
Ultrasound of Salivary Glands and the Non-endocrine Neck
Figure 11.1 The six neck levels are demonstrated. The darker areas are the likely sites for metastatic papillary and medullary carcinoma Level I This level has a close relationship to…
Ultrasound and Mapping of Neck Lymph Nodes
Figure 8.1 Surgical levels of the neck Level I constitutes lymph nodes above the anterior and posterior bellies of the digastric muscle cephalad to the hyoid bone and inferior to…
Thyroid Ultrasound Physics
Figure. 2.1 Speed of sound . The speed of sound is constant for a specific material and does not vary with frequency. Speed of sound for various biological tissues is…
Diffuse Thyroid Disease (DTD) and Thyroiditis
Thyroid gland Characteristic Size Measure sagittal × AP × transverse dimensions Unusual shape Note and measure extension of lobe(s) below clavicles, pyramidal lobe, and thyroglossal duct masses Echotexture Homogeneous or…
