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Screening Lymphatic Ultrasound to Detect Lymphatic Dysfunction.

Hisako Hara1,2, Makoto Mihara2

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Lymphatic Research and Biology
|January 8, 2025
PubMed
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Screening lymphatic ultrasound (SLUS) effectively evaluates lymphatic function in leg lymphedema patients. This noninvasive method identifies lymphatic vessel abnormalities, aiding diagnosis and treatment planning.

Keywords:
SLUSfunctionlymphatic ultrasoundlymphedemascreeningultrasound

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Area of Science:

  • Vascular Ultrasound
  • Lymphedema Diagnostics
  • Lymphatic Imaging

Background:

  • Noncontrast lymphatic ultrasound offers higher resolution and is less invasive than contrast methods.
  • Current diagnostic approaches for lymphatic function require refinement.

Purpose of the Study:

  • To assess the utility of screening lymphatic ultrasound (SLUS) for evaluating lymphatic function in patients with leg lymphedema.
  • To correlate SLUS findings with established lymphographic indicators.

Main Methods:

  • Retrospective analysis of 22 patients with leg lymphedema undergoing SLUS.
  • SLUS involved dividing the leg and foot into specific regions, classifying findings using the NECST system.
  • Differentiation of lymphatic vessels from veins utilized D-CUPS criteria; Indocyanine green (ICG) lymphography was performed in a subset of patients.

Main Results:

  • SLUS demonstrated a high identification rate (95.5%) for lymphatic vessels in the medial thigh and calf.
  • Ectasis type lymphatic findings were more prevalent on the medial leg.
  • Significant correlations were found between SLUS findings (ectasis, normal, not found) and dermal backflow status (p < 0.01).

Conclusions:

  • Screening lymphatic ultrasound (SLUS) is a valuable tool for assessing lymphatic vessel function.
  • SLUS findings correlate with dermal backflow, supporting its diagnostic utility in lymphedema.