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Legal problems related to ultrasound have been collected from different sources. Among the 402 cases. 75% involve obstetrical ultrasound. Most cases are examples of missed diagnoses; failure to perform ultrasound for an accepted indication is a second common group. The subgroups include...
Ultrasound has many useful applications in the rectum and anus. The application most extensively studied and used is local staging of rectal tumors. Ultrasound can correctly identify the depth of neoplastic penetration in 80–85% of cases. The main weakness of ultrasound in staging rectal...
Current developments in international standards and changes in the regulation of medical ultrasound will allow greater control of higher power diagnostic equipment by the ultrasonologist. This brings a responsibility for risk/benefit assessment that requires an understanding of the potential...
Identification of structural cardiac anomalies is one of the more challenging parts of the obstetric sonogram. Although careful evaluation of the four-chambers (4C) and great artery views allow detection of most cardiac anomalies, some anomalies remain difficult to diagnose due to their small...
Transcranial Doppler (TCD) examinations are performed with non-imaging transducers, or with transcranial color flow imaging (TCI) in order to obtain hemodynamic information about the cerebral circulation during various pathological states. Interpretation of the findings are made by analysis of...
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