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Having had negative Roentgen findings in several patients in my clinic with evident stricture of the esophagus, as demonstrated by sounding, and knowing the importance of an early diagnosis in such conditions, I shall report a method that will not only give a clear outline of the encroachment in malignant strictures, but also be a readily applied aid in the treatment of benign strictures. In the cases which I here report, the method as outlined by Bassler of blocking the cardia with a rubber bag was impossible because the rubber necessary for proper inflation was too thick to be passed through the strictures in spite of repeated attempts. The wheat breakfast-food-bismuth subcarbonate mixture also gave negative results (Fig. 1). The rubber-bag method is a good one, but causes pain. The bismuth mixture as suggested by Steward will outline the proximal part of the esophagus, but give little idea of the
CRUMP AC. A NEW AID FOR THE DIAGNOSIS OF STRICTURE OF THE ESOPHAGUS. JAMA. 1914;LXII(19):1471-1473. doi:10.1001/jama.1914.02560440027009