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Abnormalities of the central lymphatic system (CLS) are increasingly treated by interventional radiology approaches. Planning of these procedures, however, is challenging because of the lack of clinical imaging tools.

To evaluate the clinical usefulness of contrast agent—enhanced interstitial transpedal MR lymphangiography in the preinterventional workup of lymphatic interventions in patients with thoracic chylous effusions.

Patients with chylous effusions evaluated from January 2014 and December 2017 were included in this retrospective analysis of transpedal MR lymphangiography. Indications were chylothorax (n …