Biomedical subjects
Publications and source records attributed to H H Löhr.
Presentation of causes, clinical- and radiographic findings and therapy of chylothorax, along with a review of the anatomy of the thoracic duct. Radiographic demonstration of the thoracic duct by lymphography is necessary prior to surgery in order to demonstrate the site of the lesion to assure reasonable ligation.
Measurements of radiation in 54 patients and examiners during endoscopic-retrograde cholangiopancreaticography (ERCP) were analyzed. The values of radiation were relatively low and were compared favorably with those of gastroenterologic x-ray diagnostics. With greater experience it can be lowered further. Dangerous exposition to radiation was not found in patient or in examiner. The values obtained are far below the maximum dose permitted by radiation legislation. The question of a danger from repeated examination is not important, on the contrary, due to minimal exposition, the frequency of ERCP can be increased.
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