RT Journal Article SR Electronic T1 Cobalt-57-bleomycin scanning of hila and mediastinum in patients with bronchial carcinoma: a prospective study. JF Thorax JO Thorax FD BMJ Publishing Group Ltd and British Thoracic Society SP 641 OP 649 DO 10.1136/thx.31.6.641 VO 31 IS 6 A1 J J Rasker A1 H Beekhuis A1 A M van de Wal A1 J N Homan van der Heide A1 M G Woldring YR 1976 UL http://thorax.bmj.com/content/31/6/641.abstract AB Because the results with cobalt-57-bleomycin (57Co-bleo) as a tumour-seeking agent in patients with pulmonary tumours were promising, a prospective study was carried out to test the sensitivity and selectivity of this technique for metastases in lung hila and mediastinum in a group of patients with bronchial cancer. The sensitivity of 57Co-bleo scintigraphy appeared to be higher than that of routine radiological investigations and mediastinoscopy. For this reason it is suggested that 57Co-bleo scintigraphy can be used as a method to select patients for mediastinoscopy.