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Mediastinal computed tomography in a British Asian population

¹ Department of Radiology, New Cross Hospital, Wolverhampton WV10 1QP, UK ² Department of Radiology National Hospital for Neurology and Neurosurgery, Queen Square, London WC1 N 3BG, UK

We describe a retrospective review of all the thoracic computed tomography (CT) scans performed on British Asian patients at New Cross Hospital, Wolverhampton between January 1989 and April 1992. 39 patients were studied. Of 15 patients with active tuberculosis (TB), 14 showed mediastinal lymphadenopathy. In nine of these 15 patients this adenopathy was the only positive imaging finding, as neither lung parenchymal nor pleural abnormalities were detected on CT or plain chest radiograph (CXR). The patterns of node distribution and enhancement following intravenous contrast are described. We conclude that thoracic CT is useful in Asian or other high risk patients in whom active TB is suspected, but who lack definitive microbiological or CXR proof of diagnosis.

Received for publication August 6, 1993. Revision received November 29, 1993. Accepted for publication December 6, 1993.

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