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Title

RADIONUCLIDE LYMPHOSCINTIGRAPHY IN THE EVALUATION OF LOWER EXTREMITY LYMPHEDEMA-SINGLE HOSPITAL EXPERIENCE

Writers

PERVEEN R. | SULTANA N. | JABIN Z.

Pages

 Start Page 47 | End Page 47

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Abstract

 Background: Lymphoscintigraphy (also known as isotope or radionuclide lymphangiography) is the main investigation to establish the diagnosis of lymphedema and visualize peripheral lymphatic channel. Lymphedema (oedema that results from chronic lymphatic insufficiency) is a chronic disease due to accumulation of tissue fluid in the interstitial spaces, resulting from obstruction or defective lymphatic drainage. Lymphoscintigraphy has become the standard investigation in the evaluation of lymphedema and ensure the therapies that can properly diagnosed and characterized with Iymphoscintigraphy. The objective was to review our hospital experience in the use of lymphoscitigraphy to evaluate lymphedema of lower extremities.Materials and Methods: We retrospectively identified all the cases with lower limb lymphedema referred for lymphoscintigraphy from January 2014 to June 2014.The scans were performed after subcutaneous injection of 99mTc-nanocolloid in the first inter-digital space in both feet.Results: Total 28 patients (F=11 and M=17 (ratio of 1: 1.7; age range 10 -55 years)) had undergone lymphoscitigraphy. Seven patients (25%) revealed normal flow in both limbs, twenty-one patients (75%) consistent with secondary lymphedema, where six patients (21.4%) revealed bilateral partial obstruction and twelve patients (42.8%) had unilateral partial obstruction and unilateral total occlusion is found about 3 patients (10.7%).Conclusion: Lymphoscintigraphy is frequently misdiagnosed, treated too late or not treated. Lymphatic flow and sites of lymphatic drainage can readily be evaluated with lymphoscintigraphy, and this imaging can play a pivotal role in defining the etiology of lower extremity swelling and ensure the effective therapies. It is safe and effective for the evaluation of lymphedema in lower extremity.

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