Cysteine rhenium colloid: a novel radiocolloid for identifying sentinel lymph nodes in breast cancer surgery.

Abstract:

BACKGROUND:Medical isotopes are required for sentinel node lymphoscintigraphy in breast cancer, but are in critical shortage. Our center uses a modification of the standard SC, called CRC, that has been shown to require less medical isotope for the same procedure. Our objective was to determine if there was a significant difference between SC and CRC in successful lymph node identification in breast cancer patients. PATIENTS AND METHODS:This was a retrospective cohort study using prospectively-collected data on 1205 consecutive early, clinically node-negative breast cancer patients who underwent a SNB between 2002 and 2008 at 2 tertiary hospitals in Canada. RESULTS:There was no difference in successful lymph node identification rate (P = .50) or in the mean number of positive nodes identified between the 2 colloids (P = .88). The CRC group had a significantly lower rate of delayed adverse events (4.91% vs. 0.59%, P < .0001) even after adjusting for whether axillary dissection occurred on the same day as the biopsy (adjusted odds ratio, 0.12; 95% confidence interval, 0.04-0.40; P = .001). CONCLUSION:Our findings suggest that there is no significant difference between CRC and SC in detecting sentinel nodes; however, CRC uses less medical isotopes. In the current climate of critical shortages of medical radioisotopes, radiocolloids should be selected for use based on amount of radioisotope required.

journal_name

Clin Breast Cancer

journal_title

Clinical breast cancer

authors

Kidane B,Zabel PL,Gupta V,Whiston C,Wright F,Brackstone M

doi

10.1016/j.clbc.2014.07.006

subject

Has Abstract

pub_date

2015-02-01 00:00:00

pages

e41-5

issue

1

eissn

1526-8209

issn

1938-0666

pii

S1526-8209(14)00160-8

journal_volume

15

pub_type

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