J.Jpn. Surg. Soc.. 85(9): 1058-1061, 1984
Report on the annual meeting
THE EFFECTS OF PREOPERATIVE IRRADIATION THERAPY IN ADVANCED STOMACH CANCER
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Department of Surgery, Tokyo College Kasumigaura Hospital, Ibaraki, Japan Kizuku Kanazawa, Tetsuo Soma |
The results obtained were as follows.
1. In this study we used a computer simulated method which aided in determing a stitable plan for adjunct irradiation therapy.
2. The adequate total dosage ranged 3,000±1,000 rads, with a 2 weeks waiting period between irradiation treatment and surgery, especially for advanced gastric cancer invading to ss and up to 6 cm in diameter.
3. Histopathological findings from resected specimen, using pH 4.1 TBM staining meocod, indicated decrease in the depth of the carcinoma and extent and size of the tumor as well as degeneration and/or disappearence of the cancer cells due to the preoperative therapy.
4. We identified the decrease of metastatic rates of the regional lymphnodes in the irradiation group.
5. Clinical results indicated an improved resectability rate of 6.1% and an approximate 12.1% increase in the 5 years survival rate.
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