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He presented with dyspnoea due to exposure to grill smoke in his job as a kitchen assistant. Dyspnoea improved after 6 months off work, with persistent dyspnoea on exertion. Spirometry showed the following values: FVC: 4.09 (90%), FEV1: 2.70 (79%) and FEV1%: 66%. The bronchodilator test was positive, suggesting bronchial hyperresponsiveness. Inspiratory chest CT scan showed a left apical calcified millimetric lung nodule and left hilar calcified lymphadenopathy, probably related to a history of tuberculosis (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>A and B, white arrows), areas of right apical paraseptal pulmonary emphysema (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>C, white arrows) and diffuse bronchial thickening (<a class="elsevierStyleCrossRef" href="#fig0005">Fig. 1</a>D, white circles). The mediastinum was displaced towards the right hemithorax and areas of air trapping were visible in the expiratory study (<a class="elsevierStyleCrossRef" href="#fig0010">Fig. 2</a>, white arrows). The patient was diagnosed with bronchial asthma and treatment with corticosteroids and bronchodilators was decided.</p><elsevierMultimedia ident="fig0005"></elsevierMultimedia><elsevierMultimedia ident="fig0010"></elsevierMultimedia><p id="par0010" class="elsevierStylePara elsevierViewall">The pendular motion of the mediastinum consists of a deviation of the mediastinum towards one hemithorax during the respiratory cycle, so CT in inspiration and expiration will allow us to assess it. 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Image in medicine
CT of pendular motion of the mediastinum
TC de movimiento pendular del mediastino
Diego Varona Porres
, Laura Cabanzo, Ana Lucía Sánchez, Luis del Carpio, Óscar Persiva, Jordi Andreu
Corresponding author
Departamento de Radiología, Hospital Vall d'Hebrón, Barcelona, Spain