[Pulmonary Opacities - What Lies Beneath?].

Pulmonary Opacities - What Lies Beneath? Abstract. Abstract: Pulmonary opacities are among the most common findings that general practitioners and internists have to interpret in everyday life. Conventional chest x-rays are still important, but computed tomograms often provide additional information. Patient history, clinical examination but also additionally collected laboratory findings are important prerequisites for the interpretation of imaging studies. Likewise, radiological patterns should be recognized and correctly described. The density, distribution to one or both sides, basal or apical, unifocal or multifocal, also the involvement of the interstitial tissue, bronchioles, the alveolar space and pleura can provide decisive differential diagnostic information. Space-occupying or shrinking processes may be suspected on behalf of the course of pleural lines. Tumours may be differentiated from shrinking lung volume as seen in atelectasis by shift of the mediastinum or the shape of pleural lines. Occasionally control images can support the interpretation of the radiological results.