The Role Of MRI Lymphangiography In The Assessment Of Non-Vascular Causes Of Lower Limbs Edema

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Mohamed Ahmed Abdelbaset Mahmoud , Marwa Elsayed Abdelrahman Ibrahim , Safa Kamal Mohamed, Remon Zaher Elia


Background: MRI lymphangiography may give a diagnostic clue adding much informative data concerning the anatomy and pathology of lymphatic vessels. To evaluate the role of MRI lymphangiography in assessing the possible causes of lower limb oedema of non-vascular origin, aiding in the selection of the treatment strategy for each patient.

Results: Dilated lymphatic vessels in the lower limb were detected in 19 patients (70.4%), while not detected in 8 patients (29.6%). In most patients, the level of dilatation was below the knee. Regarding the pattern of dilated lymphatic, pattern (I) was the most commonly seen pattern in all affected extremities. Regarding post-procedure complications, at the time of gadolinium application, bilateral pain was described in 14 patients and unilateral pain in 13 cases while being described as mild pain by 18 patients (66.7%) and as moderate by 9 patients (33.3%). Minor swelling was observed in 15 patients (55.6%). All patients were capable of walking well and without discomfort after the examination.

Conclusions: MRL is a good morphological and functional minimally invasive imaging modality used for mapping the lymphatic system and staging of primary and secondary lymphedema. Thus, it can help guiding the management and optimizing the surgical plan in patients with non vascular lymphedema.

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