Errors in Chest Radiography
(Sprache: Englisch)
Why are mistakes made in chest radiography? Many errors are caused simply by wrong technique or faulty interpretation. How can a specialist avoid making such mistakes? By recognizing the reasons for past mistakes. Dr. Viamonte has collected many such cases,...
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Why are mistakes made in chest radiography? Many errors are caused simply by wrong technique or faulty interpretation. How can a specialist avoid making such mistakes? By recognizing the reasons for past mistakes. Dr. Viamonte has collected many such cases, particularly of bronchial cancer, during thirty years of experience. The author distinguishes between errors of omission, which occur most often, errors of commission, and errors caused by a lack of relevant clinical history. He presents the original radiograph and challenges the reader to recognize the abnormality correctly. Every practicing radiologist can learn from the cases and pitfalls presented in this book.
Klappentext zu „Errors in Chest Radiography “
Chest radiography is the most commonly perfonned diagnostic radiological exam ination in the United States. More than 80 million chest radiographs are perfonned annually in the United States and this type of radiograph accounts for 30%-50% of the total volume of diagnostic studies. Standard chest radiographic examinations are difficult to optimize, primarily because of the seven-to tenfold greater attenuation of the mediastinum and heart than of the lungs. In order to obtain the best results, we must be able to see with distinct clarity the vascular markings of the lungs, particularly when these are superimposed on the rib cage, the bony structures, and the air-soft tissue interfaces of the mediastinum. The large variation in attenuation caused by the mediastinal structures cannot be recorded routinely on a radiograph with maximum image contrast. The lungs are shaped like a truncated cone. The apices are volumetrically smaller than the bases and are crisscrossed by bony structures (the upper ribs, clavicle, and sometimes the scapula and manubrium of sternum). Often in women, the density of the breasts overlaps the lung bases, and X-rays must therefore traverse more tissue. Despite the cephalocaudal increase in tissue volume, it is possible in most in stances to obtain a balanced density and contrast from the apices to the bases using the high kilovoltage peak (kVp) technique. Optimal image quality demands appro priate resolution and contrast that will pennit the detection of pulmonary opacities and lucencies and of mediastinal and chest wall abnonnalities.
Inhaltsverzeichnis zu „Errors in Chest Radiography “
Technical Aspects.- Film-Screen Combination.- Techniques for Scatter Reduction.- Digital Radiography.- Automated Chest Unit.- Summary.- Errors in Chest Radiology.- Errors in Technique.- Errors in Interpretation.- Difficult Areas of Interpretation.- Pitfalls of Improper Technique and of Interpretation.- References.- Atlas.- Air-Soft Tissue Interfaces with the Mediastinum.- Importance of Using the High kVp Technique.- Importance of Proper Centering.- Underexposure.- Overexposure.- Effect of Poor Inspiratory Effort.- Importance of Including a Lateral View.- Importance of Including an Oblique View.- Failure to Interpret Results Correctly.- Difficult Areas to Assess.- Hyperlucency Which is Often Misinterpreted.- Importance of Correct Examination of the Upper Airways.- Importance of Correct Examination of the Bones.- Importance of Correct Examination of the Soft Tissues.- Importance of Correct Examination of the Abdomen.- Importance of Adequate Knowledge of Patient's Clinical History.- Importance of Careful Examination of the Hila.- Learn About Your Patient.- Don't Procrastinate.- Value of the Esophagogram.- Value of Linear Tomography.- Value of Computed Tomography.- Value of Ultrasonography.- Value of Arteriogram.- Value of AMBER Study.
Bibliographische Angaben
- Autor: Manuel Viamonte
- 1991, 135 Seiten, Maße: 23,5 cm, Kartoniert (TB), Englisch
- Verlag: Springer, Berlin
- ISBN-10: 3540529063
- ISBN-13: 9783540529064
Sprache:
Englisch
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