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  • Title: [Intraoperative radiation therapy (IORT) for locally unresectable pancreatic cancer].
    Author: Miyamatsu A, Morinaga S, Yukawa N, Akaike M, Sugimasa Y, Takemiya S.
    Journal: Gan To Kagaku Ryoho; 1999 Oct; 26(12):1846-8. PubMed ID: 10560409.
    Abstract:
    To evaluate the therapeutic effect of IORT for unresectable locally advanced pancreatic cancer, 11 patients treated with IORT and 15 patients treated with palliative therapy only were retrospectively examined. The mean age of the IORT group was 61.9 years, 5 cases were classified into surgical stage IVa, and 6 into stage IVb. The mean age of the palliative therapy group was 69.1 years; 5 cases were classified into surgical stage IVa and 10 into stage IVb. The tumor size was measured in 6 cases in the IORT group, before and after IORT. The tumor was enlarged in 1 case, not changed in 4 cases, and reduced in 1 case. The serum CA19-9 level was measured in 8 cases of the IORT group. Serum CA19-9 was increased in 3 cases, not changed in 4 cases, and decreased in 1 case after IORT. ECOG pain scores were obtained in 9 patients who had complained of pain before IORT, and the score decreased in 7 cases. The median survival was 7.6 months in the IORT group and 3.0 months in the palliative therapy group. IORT may improve patients' QOL by decreasing their pain. However, further studies are necessary to confirm the efficacy of IORT for survival of locally unresectable pancreatic cancer patients, because the patient profile in this study was different in the two groups.
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