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Ocular lens dose was considered with respect to cerebral vascular imaging, using both digital subtraction angiography (DSA) and conventional angiography. A dose measurement study is described in which doses were found to be minimal (0.327 cGy) in DSA, but high (60 cGy) using conventional techniques. The use of an undercouch tube in DSA and an increased… (More)
Ten patients are presented in whom a combined approach of fibreoptic bronchoscopy immediately followed by needle biopsy (if indicated) has been performed. The diagnosis was ascertained in nine patients. There were no significant complications. Most patients were treated as day patients.