Abstract
A retrospective study of 83 patients with Stage I-III Hodgkin's disease treated with an upper mantle field revealed a rate of radiation-related pericardial effusion (RRP) of 28.9% (24/83). Clinical presentation was asymptomatic effusion in 10/24 and symptomatic effusion in 14/24. RRP was self-limited in all but 4 patients, who progressed to chronic effusion requiring pericardiectomy (4/24). A midplane mediastinal dose of 4000 rads in 4 weeks was given with an anteriorly weighted mantle field that resulted in an average pericardial dose of 5325 rads (1823 ret) and an average midplane cardiac dose of 4625 rads (1558 ret). The rate of RRP was correlated with increasing degree of mediastinal Hodgkin's disease. Increased incidence of RRP with increasing cardiac and pericardial dose could not be proven statistically. Factors which may facilitate pericardial effusion following a basic radiation injury are discussed.
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