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The usefulness of radiation therapy for hepatocellular carcinoma
M Matsuura1, N Nakajima, K Arai
1Department of Radiology, Shizuoka General Hospital, Japan.
Background/Aims:
The usefulness of radiation therapy (RT) for hepatocellular carcinoma (HCC) is still controversial. To clarify whether RT has its role in the management of HCC as a single modality or in combination with other modalities, we analyzed the clinical features of the patients treated with RT retrospectively.
Methodology:
Twenty-two patients who underwent RT for intrahepatic lesions with total dose ranging from 58 to 68 Gy were studied. Regression rate for 21 of the irradiated lesions was calculated using the computed tomographic scans.
Results:
After the size of the irradiated intrahepatic tumor initially decreased, it remained unchanged for a long period. Tumor size at the latest follow-up never exceeded pre-RT tumor size except in one patient who was treated by RT only. In 3 of 20 cancer deaths, the irradiated tumors were the direct cause of death.
Conclusion:
Local RT for HCC at potentially curative dose can be performed safely in patients with preserved liver function even if they have already been treated with other therapies. Radiation therapy has a role in strengthening the therapeutic efficacy when combined with other therapy.