Manuel Jr. Viamonte - Böcker
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3 produkter
3 produkter
552 kr
Skickas inom 10-15 vardagar
Why are mistakes made in chest radiology? Many errors are caused simply by wrong technique or faulty interpretation. How can a specialist avoid making such mistakes? Dr. Viamonte has collected many cases, particularly of bronchial cancer. The author distinguishes between errors of omission, which occur most often, errors of commission, and errors caused by lack of relevant clinical history. He presents the original radiograph and challenges the reader to recognize the abnormality correctly.
1 096 kr
Skickas inom 10-15 vardagar
There are many diagnostic imaging techniques for the radiological exarmna- tion of the abdomen. Noninvasive methods include supine and upright views of the abdomen (sometimes fluoroscopy and decubitus films); posteroanterior (PA) views of the chest; contrast studies of the alimentary tract; ultrasonogra- phy (US), scintigraphy, computed tomography (CT), and magnetic resonance imaging (MRI). Biopsy under fluoroscopic control and angiography are inva- sive techniques. Most of the errors described in this book are related to faulty interpretation; others are due to improper technique. For example, a patient with acute abdominal pain secondary to a perforated hollow viscus may be studied only by supine and upright views of the abdomen that do not include the subdi- aphragmatic regions. A complementary PA view of the chest or a left lateral decubitus film would, however, detect free air in the pentoneal cavity that the incomplete two-film study might have missed.Errors of techmque are due to under- or overexposure, long exammation times or an uncooperative patient (both of which can induce motion artIfacts), improper processing, and failure to perform the proper standard noninvasive or mvaSlVe modalitIes for examining the hollow viscus and the solid organs of the alimentary tract. In order to visualize the diaphragm and the supra- and mfradiaphragmatIc spaces, frontal and lateral chest roentgenograms complement the standard views of the abdomen. Fluoroscopy IS of great value m assessing diaphrag- matic motion as well as being essential when contrast media are utilized.
1 096 kr
Skickas inom 10-15 vardagar
What causes errors in urologic diagnostic imaging? The author of this study attempts to root out the problems of faulty technique, inadequate interpretation and inadequate or inappropriate clinical information. The book takes into account the imaging modalities presently used for examining the urinary tract: excretory urography, ultra-sonography, computer tomography and angiography. The author gives examples of anatomical variations, developmental anomalies and benign conditions that simulate neoplasias and lead to mistakes. Knowing these pitfalls will help every radiologist sidestep errors on the road to correct interpretation in diagnostic radiology.