PubMed · 273675
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M S Lebowitz, J L Laskin. 1978. A simple method for sialography.. https://pubmed.ncbi.nlm.nih.gov/273675/
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BACKGROUND: Although cytologic examination of pure pancreatic juice obtained with a duodenofiberscope has been useful for the diagnosis of pancreatic carcinoma, the rate of false-negative results is reported to be high. To eliminate these false-negative results, the authors developed a new technique, endoscopic retrograde intraductal catheter aspiration cytology, especially for an accurate cytologic diagnosis of carcinoma of the body or tail of the pancreas. METHODS: The accuracy of conventional cytologic examination of pure pancreatic juice was assessed in 25 patients with pancreatic carcinoma, 29 patients with pancreatitis, and 52 control subjects. Pure pancreatic juice was collected from the pancreatic duct by endoscopic cannulation using a videoimaging duodenoscope after intravenous administration of secretin. The new endoscopic retrograde intraductal catheter aspiration technique was used in four patients with carcinoma of the body or tail of the pancreas and five patients with localized pancreatitis in whom a correct diagnosis was not made by previous cytologic examination of pure pancreatic juice. RESULTS: Positive cytologic findings were obtained in 76% of the patients with pancreatic carcinoma. Positive cytologic results were more frequent in patients with carcinoma of the head of the pancreas than in those with carcinoma of the body or tail. By the new technique, positive cytologic results were obtained in all of the patients with pancreatic carcinoma. This technique caused no severe complications. CONCLUSIONS: This procedure of endoscopic retrograde intraductal catheter aspiration cytology seems useful for diagnosis of pancreatic carcinoma.
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The Oxymizer pendant consists of a 40 ml pendulating reservoir bag which is connected to the prongs by two tubes. Both reservoir and tubes serve as oxygen reservoirs. We wanted to examine if it was possible to save oxygen by changing from the usual nasal cannula to Oxymizer pendant. 11 patients with hypoxaemia due to chronic obstructive pulmonary disease were examined. We were able to reduce the oxygen requirement by approximately 65% without significant changes in SaO2. All 11 patients evaluated the Oxymizer pendant to be more comfortable than the usual nasal cannula.