Abstract
In the past, the mediastinum has been considered as the so-called “black-box” of thoracic radiology. Nowadays, CT and MRI nicely depict and explain “the who’s and the why’s” of the mediastinal lines in physiological as well in pathological conditions. The aim of this chapter is to emphasize on the important role of basic radiological findings in standard diagnostic chest XR interpretation and to correlate the radiological anatomy with cross-sectional imaging. The mediastinal lines can be defined as linear structures (reflections) visible on the conventional X-ray, formed by points of contact of the mediastinal soft tissues and the adjacent aerated lung or contact of pulmonary tissue by intervening soft tissue. Normal anatomic structures of the mediastinum may be altered by mediastinal disease. This alteration of normal anatomy and the accompanying displacement of the mediastinal lines and spaces may alert the radiologist to the presence of a mediastinal mass. Thus, familiarity with the appearance of normal mediastinal structures on chest radiography is the first crucial part in locating and identifying an abnormality. These elements will further on permit to narrow the differential diagnosis and possibly influence the choice of modality for further diagnostic imaging.
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Gosselin, R., Delrue, L., Ilsen, B., Heysse, C., de Mey, J., Duyck, P. (2011). Semeiology of the Mediastinum. In: Coche, E., Ghaye, B., de Mey, J., Duyck, P. (eds) Comparative Interpretation of CT and Standard Radiography of the Chest. Medical Radiology(). Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-79942-9_5
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