Prediction of therapeutic effectiveness according to CT findings after therapeutic lymphangiography for lymphatic leakage

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Abstract
Purpose To evaluate the correlation between computed tomography (CT) findings after therapeutic lymphangiography for lymphatic leakage and the clinical course of lymphatic leakage. Materials and methods Therapeutic lymphangiography for lymphatic leakage was performed in 14 patients. In all patients, CT was performed 0.5–26 h (mean 6.9 h) after lymphangiography and results were retrospectively evaluated. Results In 8 of the 14 patients (57 %), lymphatic leakage stopped after lymphangiography. Lymphatic leakage was detected on CT in 9 of the 14 patients (64 %) and had either a nodular (n = 4) or beaded appearance (n = 5). The amount of drainage had decreased the day after lymphangiography, and leakage finally stopped in all 4 patients in whom the leakage had a nodular appearance. However, leakage did not stop in 3 of the 5 patients having leakage with a beaded appearance. Conclusion A nodular appearance of leakage might predict success of therapeutic lymphangiography.

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