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J Korean Soc Ther Radiol > Volume 12(2); 1994 > Article
Journal of the Korean Society for Therapeutic Radiology 1994;12(2): 191-200.
Therapeutic Effect of Combined Radiotherapy and Hyperthermia in Primary Hepatocellular Carcinoma
Ki Mun Kang, Ihl Bohng Choi, Chul Seung Kay, Byung Ok Choi, Su Mi Chung, In Ah Kim, Sung Tae Han, Hee Sik Sun, Kyu Won Chung, Keyong Sub Shinn
1Department of Therapeutic Radiology, St's Mary Hospital, Catholic University Medical Center, Seoul, Korea.
2Department of Diagnostic Radiology, St's Mary Hospital, Catholic University Medical Center, Seoul, Korea.
3Department of Internal Medicine, St's Mary Hospital, Catholic University Medical Center, Seoul, Korea.
This study was undertaken to show the clinical results of combined radiotherapy and hyperthermia in primary hepatoma.
Between December 1989 and March 1993, 50 patients with hepatomas were treated by combined radiotherapy and hyperthermia. Among them, we analyzed retrospectively 33 patients who received the complete course of treatment. The ages of the patients ranged from 36 to 75(mean age: 55.5 years). Twenty-six patients (78.8%) were men, and 7 (21.2%) were women. According to Child's classification, nine patients (27.3%) were A group, 9 (27.3%) were B group, 15 (45.4%) were C group. Radiation therapy was done by a 6 MV and 15 MV linear accelerator. Patients were treated with daily fractions of 150-180 cGy to doses of 2550 cGy - 4950 cGy (median: 3000 cGy). Local hyperthermia was done by 8 MHz RF capacitive heating device (Cancermia. Green Cross Co., Korea), 50-60 min/session, 1-2 sessions/wk, and 8.5 sessions (median number)/patients. We analyzed the prognostic factors including age, sex, tumor type, Child's classification, a-fetoprotein, liver cirrhosis, ascites, portal vein invasion, esophageal varix, number of hyperthermia, chemotherapy, total bilirubin level, Karnofsky performance status.
The overall 1-year survival was 24.2%, with a mean survival of 10 months. Of 33 patients, tumor regression (PR+MR) was seen in 30.4%, no response was seen in 52.2%, 17.4% patient was progressed. In patients who had tumor regression, the overall 1-year survival was 42.1% with a mean survival of 14 months. Factors influencing the survival were sex (p=0.05), tumor type (p=0.0248), Child's classification (p=0.0001), liver cirrhosis (p=0.0108), ascites (p=0.0009), and Karnofsky performance status (p=0.0028). Complications developed in 28 patients, including 18 hot pain, 5 fat necrosis, 3 transient fever, 2 nausea and vomiting.
In this study, the results suggests that combined radiotherapy and hyperthermia may improve the survival rate of hepatoma.
Key Words: Primary Hepatocellular Carcinoma, Radiotherapy, Hyperthermia
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