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Int J Radiat Oncol Biol Phys. 1999 Feb 1;43(3):511-6.

Factors influencing the outcome of radiotherapy in malignant mesothelioma of the pleura--a single-institution experience with 189 patients.

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1
Department of Radiation Oncology, Daniel den Hoed Cancer Center/University Hospital Rotterdam, The Netherlands.

Abstract

PURPOSE:

To determine the factors influencing the response to palliative radiotherapy (RT) in malignant mesothelioma of the pleura (MM).

METHODS AND MATERIALS:

A retrospective review was conducted of the records of all patients with mesothelioma who were referred to our institution between 1979 and 1996. A total of 227 RT series were administered to 189 patients with MM. Of these, 21 patients with chest wall nodules also received concomitant local hyperthermia.

RESULTS:

The median survival was 5 months from the start of RT and only 17% of patients were alive at 1 year after treatment. Chest pain and painful chest wall metastases were the main indications for RT. A higher local response rate was seen for patients treated with a 4-Gy per fraction scheme, vs. those receiving fractions of less than 4 Gy (50% vs. 39%). Pain recurrence occurred predominantly within the previous RT field, and pain recurred after a median of 69 days (range 32-363) in the group treated using 4-Gy fractions. When compared with a matched group, patients treated with combined RT and hyperthermia had higher response rates and fewer in-field recurrences.

CONCLUSIONS:

RT provides local palliation in at least 50% of patients with MM who were treated using a 4-Gy/fraction scheme to a median dose of 36 Gy. The low response rates with RT alone suggest that combined RT and local hyperthermia should be further evaluated in MM.

PMID:
10078630
[Indexed for MEDLINE]

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