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Radiotherapy of MRI-detected involved internal mammary lymph nodes in breast cancer

Overview of attention for article published in Radiation Oncology, December 2017
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1 tweeter

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Title
Radiotherapy of MRI-detected involved internal mammary lymph nodes in breast cancer
Published in
Radiation Oncology, December 2017
DOI 10.1186/s13014-017-0934-5
Pubmed ID
Authors

Sean Sachdev, Chelain R. Goodman, Erin Neuschler, Kapila Kalakota, Daniel Cutright, Eric D. Donnelly, John P. Hayes, Adam E. Prescott, Gianna Mirabelli, Jonathan B. Strauss

Abstract

The internal mammary (IM) lymph node chain, along with the axillary nodal basin, is a first-echelon breast lymphatic draining site. A growing body of evidence supports irradiation of this region in node-positive breast cancer. This study evaluated the effectiveness of radiotherapy in treating magnetic resonance imaging (MRI)-detected abnormal IM lymph nodes in newly-diagnosed non-metastatic breast cancer. A structured query was performed on an electronic institutional database to identify women with radiographic evidence of abnormal IM node(s) on breast MRI from 2005 to 2013. Manual review narrowed inclusion to patients with a primary diagnosis of non-metastatic breast cancer with abnormal IM node(s) based on pathologic size criteria and/or abnormal enhancement. Of the 7070 women who underwent pre-treatment MRI, 19 (0.3%) were identified on imaging to have a total of 25 abnormal pre-treatment IM lymph nodes, of which 96% were located in the first two intercostal spaces and 4% in the third space. A majority of the primary tumors were high-grade (94.7%) and hormone-receptor negative (73.7%), while 47.4% overexpressed HER-2/neu receptor. Axillary nodal disease was present in 89.5% of patients, while one patient had supraclavicular involvement. At a median follow-up of 38 months, 31.6% of patients had developed metastatic disease and 21.1% had died from their disease. Of the patients who received IM coverage, none had progressive disease within the IM lymph node chain. Radiologic evidence of pre-treatment abnormal IM chain lymph nodes was associated with advanced stage, high grade, and negative estrogen receptor status. The majority of positive lymph nodes were located within the first two intercostal spaces, while none were below the third. Radiation of the IM chain in combination with modern systemic therapy was effective in achieving locoregional control without surgical resection in this cohort of patients.

Twitter Demographics

The data shown below were collected from the profile of 1 tweeter who shared this research output. Click here to find out more about how the information was compiled.

Mendeley readers

The data shown below were compiled from readership statistics for 24 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 5 21%
Other 4 17%
Student > Bachelor 3 13%
Student > Master 3 13%
Professor > Associate Professor 2 8%
Other 4 17%
Unknown 3 13%
Readers by discipline Count As %
Medicine and Dentistry 7 29%
Nursing and Health Professions 4 17%
Social Sciences 2 8%
Pharmacology, Toxicology and Pharmaceutical Science 2 8%
Psychology 1 4%
Other 2 8%
Unknown 6 25%

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 20 December 2017.
All research outputs
#10,927,950
of 12,330,736 outputs
Outputs from Radiation Oncology
#1,122
of 1,282 outputs
Outputs of similar age
#287,566
of 346,706 outputs
Outputs of similar age from Radiation Oncology
#39
of 53 outputs
Altmetric has tracked 12,330,736 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,282 research outputs from this source. They receive a mean Attention Score of 2.3. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 346,706 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 53 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.