In this series, 2850 gastrointestinal X-ray studies were carried out, which resulted in the discovery of 7.0 per cent, with diverticula of the duodenum durny the recent 5 years. This is the hightest figure reported among the series based on X-ray examinations. This may be attributed to the exercising of greater care in studying the duodenum during the carrying out of upper gastrointestinal X-ray series in our Division of Radiology. Diverticula of the duodenum have been found in the second decade 4.2 per cent.
The average size of duodenal diverticula becomes larger, progressively, by aging.
During this time, 2 cases of Intraluminal Duodenal diverticula were found in this G-Iseries.
There was no characteristic symptom among the patients with duodenal diverticula, but constipation wasthe most common complaint and was found to be present in as many as 21 per cent of the patients.
As the complications, one case of ulceration within the diverticula resulting in hemorrhage.(confirmed by operation) 4 cases of gastric ulcer, 3 cases of duodenal ulcer and 2 cases of carcinoma of the head of the pancreas were found in 200 patients.
There has been no mention in the literature of any inborn error accompaning with duodenal diverticula. However, in this series, there were one case of situs inversus, two cases of mesenterium commune and one case of familialy blue sclera in the 200 patients with duodenal diverticula.
In 129 cadavers, careful anatomical studies of the duodenum were carried out. Asa result of this study, 41 specimens were found to have diverticula, giving the high figure of 31.8 per cent, the highest on record to the present date.
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