. Roentgen interpretation; a manual for students and practitioners . Fig. 127.—Cardiospasm. Note the esophagus to the right and the round, smoothborders of the barium shadow. esophagus is easily seen throughout its course. It presents a slightindentation at the level of the arch of the aorta and curves forwardbehind the heart to enter the stomach. It is smooth in outline andthe opaque mass passes readily through it with a momentary pauseat the arch and a longer delay at the cardia. ESOPHAGUS 153 Pathological Esophagus.—The esophagus may be greatly dilatedin cardiospasm or benign stricture. In
. Roentgen interpretation; a manual for students and practitioners . Fig. 127.—Cardiospasm. Note the esophagus to the right and the round, smoothborders of the barium shadow. esophagus is easily seen throughout its course. It presents a slightindentation at the level of the arch of the aorta and curves forwardbehind the heart to enter the stomach. It is smooth in outline andthe opaque mass passes readily through it with a momentary pauseat the arch and a longer delay at the cardia. ESOPHAGUS 153 Pathological Esophagus.—The esophagus may be greatly dilatedin cardiospasm or benign stricture. In the former, a glass of hotwater may relax the spasm and allow part or all of the meal to enterthe stomach. There is no discoverable irregularity in outline andthe shadow ends at the cardia in a smooth, funnel-shaped of the esophagus occurring as a result of cardiospasm may. Fig. 128.—Dilated gas-filled esophagus. There is a small amount of barium in thelower part. Plate was taken with the patient upright. be so great that the margins of the esophagus overlap the lung fieldon the right side. In these cases there may be a delay of the mealabove the cardia for hours or days. Malignant tumors of the cardiaof sufficient extent to cause obstruction can, as a rule, be recognizedby irregularities in outline of the barium mass in the lower esophagusor stomach. 154 GASTRO-INTESTINAL TRACT Changes in Position.—The esophagus may be displaced by medias-tinal tumors, aneurysms, effusion, fibrosis or diseases of the spine.
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