. Radiography and radio-therapeutics . is that of ptosis. In true gastroptosis the bismuth meal is seen to fallthrough the stomach quickly, the lack of muscular tone allowing the foodto pass rapidly through and collect in the sinus. The pylorus and oesophaguswith the fundus are firmly fixed by their ligaments, and the ptosed stomach 344 RADIOGRAPHY therefore increases in vertical length, the bismuth meal distending the lowerportion of the stomach, while in the median part of the body the walls areapproximated, the fornix being generally distended with gas. The peri-staltic waves are almost ent
. Radiography and radio-therapeutics . is that of ptosis. In true gastroptosis the bismuth meal is seen to fallthrough the stomach quickly, the lack of muscular tone allowing the foodto pass rapidly through and collect in the sinus. The pylorus and oesophaguswith the fundus are firmly fixed by their ligaments, and the ptosed stomach 344 RADIOGRAPHY therefore increases in vertical length, the bismuth meal distending the lowerportion of the stomach, while in the median part of the body the walls areapproximated, the fornix being generally distended with gas. The peri-staltic waves are almost entirely absent in the erect position, and show thenonly in the pyloric canal. They are more frequent and deeper when thepatient lies down. In most of these cases a condition of atony of the stomachwall supervenes. Then great dilation may follow, though the atony maybe compensated for by muscular hypertrophy. In ptosis with atony thestomach is incapable of emptying itselffor six to eight hours, or even longer,after ingestion of the
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