JAMA. 1904;XLII(25):1627-1628. doi:10.1001/jama.1904.02490700027006.
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In a recent editorial1 we called attention to the important work of Robson and Cammidge on the diagnosis of pancreatic lesions. In view of the important work of Hewlett,2 we deem it worth while to again call attention to this subject, and particularly to the chemistry of the urine in these cases.

The chemical aspects of Robson's cases were worked out by Cammidge, and a brief description of the test which he has devised will not be amiss. Starting out with the idea that fat-necrosis is the most constant and typical lesion of pancreatic disease, Cammidge reasoned that as a result of this there are probably secondary changes in the blood, and perhaps in the urine. Knowing that in fat-necrosis glycerin is set free and absorbed into the circulation, he endeavored to isolate this substance from the blood, but was unsuccessful in this on account of the small


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