Abstract
Several problems on gastric mass survey combined with gastrocamera and photofluorography were discussed, and the usefulness of applying U-turn techniqne during gastrocamera examinations was studied.1. Gastric mass survey was proceeded among 1, 175 individuals who were over 40 years of age. U-turn technique was applied in 545 cases during the gastrocamera examinations with type PF or PA 2 gastrocamera.The results were compared with that of non U-turn group.2. The results of this survey were as follows : gastric carcinoma 6 (0.5%) including 2 cases of early gastric carcinoma, gastric polyp 15 (1.3%), open gastric ulcer 40 (3.4%), healed gastric ulcer 95 (8.1%) and duodenal ulcer 73 (6.2%) .3. Five cases of upper gastic lesion were found. They consisted of a case of type I early gastric carcinoma, two cases of gastric ulcer and a case of gastric pol-yp. The useuf ulness of U-turn technigue was recogni-Zed, because all of them were detected by this tech-nique.4. U-turn technique should be applied during the gastrocamera examinations since it can be done easily and requires little time.5. There was no difference in the usefulness of gastrocamera between type PF and PA 2. However, attension should be focused on taking the photograph of greater curvature portion of the stomach.6. Photof luorography in gastric mass survey with gastsrocamera can be limited to the two positions, namely, upright frontal and upright first oblique position with the stomach filled with barium when gastrocamera examination is combined.