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The British Journal of Radiology, Vol 73, Issue 868 349-355, Copyright © 2000 by British Institute of Radiology

ARTICLES

Cutting needle biopsy in the diagnosis of clinically suspected non-carcinomatous disease of the lung

HK Bungay, RF Adams, CM Morris, PJ Haggett, ZC Traill and FV Gleeson
Department of Radiology, Churchill Hospital, Headington, Oxford, UK.

Most patients referred for lung biopsy have a focal lesion that is likely to be a carcinoma, and fine needle aspiration is usually sufficient to confirm the diagnosis. When non-carcinomatous disease is suspected, tissue architecture is important and potential diagnostic techniques include percutaneous cutting needle biopsy (CNB). We retrospectively reviewed 37 CNBs performed for clinically suspected non-carcinomatous disease; recording the biopsy result, final diagnosis, radiological nature of the pulmonary abnormality, distance from the pleura of the lesion biopsied and biopsy complications. 9 patients had a single pulmonary nodule/mass; 13 had multiple nodules/masses; 8 had a lobar consolidation/mass; and 7 had multifocal consolidation. The lesion abutted the pleura in 31 cases, lying within 1 cm in the other 6 cases. The minor complication rate was 14%, with no major complications. Specific malignant diagnoses were made in 9 patients, and specific benign in 23, in all of whom clinicoradiological follow-up was concordant. CNB did not yield a specific diagnosis in five patients, including two lymphomas and one case of unsuspected tuberculosis in which the sample was not cultured. The overall accuracy of CNB was 32/37 (86%). CNB is a safe and accurate means of achieving a tissue diagnosis for patients with peripheral pulmonary parenchymal disease thought not to represent carcinoma.




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