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Between January 1981 and September 1985, invasive thymomas were diagnosed in 13 patients attending the municipal hospital at Köln-Merheim. All these patients were examined radiologically and the tumour removed at thoracotomy, and irradiated in our Radiotherapy Clinic. Invasive thymomas appear as space-occupying lesions on chest radiographs taken in two(More)
During a period of 24 months, ultrasound-guided percutaneous nephrostomies were performed in 51 patients in the Hospital at Köln-Merheim. The procedure was carried out with a modified nephrostomy instrument manufactured by Angiomed, Ettlingen, according to our own design. The procedure was successful in 49 patients. In one case it had to be abandoned(More)