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Congenital brain anomalies are usually both complex and multiple. The diagnosis of these conditions requires an understanding of embryology and knowledge of the effects of these embryologic disturbances on the brain parenchyma and ventricles. Ultrasonography is usually the primary imaging...
Contrast agents enhance ultrasound by changing the ultrasound signal from within the body. Such agents can be introduced directly into body cavities or injected intravenously. The overwhelming number of agents under development utilize gas microbubbles to produce contrast. One agent has been...
Endoscopic ultransonography (EUS) provides an almost histologic visualization of the gastrointestinal wall. Consequently, it has been demonstrated to be superior to other imaging modalities in determining the T stage of malignancies of the GI tract. As such, it is instrumental in the...
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