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Ultrasonographic Evaluation of Breast Cancer-related Lymphedema

Ultrasonographic Evaluation of Breast Cancer-related Lymphedema

Published on: January 12, 2017

Preoperative upper limb lymphatic function in breast cancer surgery.

Laura Ferreira de Rezende¹, Felipe Vilela Pedras, Celso Dario Ramos

¹Departamento de Ginecologia, Obstetrícia e Mastologia, Universidade Estadual Paulista (UNESP), São Paulo, SP, Brazil. rezendelaura@hotmail.com

Revista Da Associacao Medica Brasileira (1992)

|October 21, 2011

Summary

Preoperative lymphoscintigraphy in breast cancer patients reveals significant lymphatic system functional differences. These findings highlight variations in lymphatic flow and uptake before surgery.

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Area of Science:

Nuclear medicine imaging
Oncology
Lymphedema research

Background:

Breast cancer diagnosis and treatment often involve assessing lymphatic system status.
Understanding preoperative lymphatic function is crucial for predicting postoperative outcomes.

Purpose of the Study:

To characterize the preoperative upper limb lymphoscintigraphic patterns in women diagnosed with breast cancer.

Main Methods:

Lymphoscintigraphy was performed on 37 breast cancer patients within 30 days of surgery.
Tc-99m-dextran was injected into the dorsum of the hand, with images acquired at 10 minutes, 1 hour, and 2 hours.
Analysis focused on the velocity of axillary lymph node visualization and the intensity of nodal uptake.

Main Results:

Optimal lymphatic function (Ia) was observed in 11% of ipsilateral and 19% of contralateral upper limbs.
Impaired lymphatic function (IVd) was noted in 8% of ipsilateral and 6% of contralateral upper limbs.
The majority of patients exhibited intermediate patterns of lymphatic velocity and uptake.

Conclusions:

Preoperative lymphoscintigraphy demonstrates notable variations in lymphatic system function.
These findings suggest the presence of pre-existing functional differences in the lymphatic system among breast cancer patients.