Keywords: Vessels, Genetic Diseases, lymphaticMRI can investigate lymphatic dysfunction and lymphoedema (a chronic swelling of interstitial fluid), however little quantitative research has been published. Dynamic Contrast-Enhanced Magnetic Resonance Lymphangiography (DCE-MRL) allows identification of lymph vessels in both healthy and lymphoedematous limbs, and was used to study the oedematous limbs of patients where the lymphoedema was associated with a mutation of the FOXC2 gene. Signal measured in leg lymphatics of these patients (n=6) peaked significantly earlier than in non-oedematous limbs (n=6) and demonstrated higher peak signals, despite an impaired lymphatic system and therefore an expectation of more sluggish drainage.
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