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Clonal relationships between lobular carcinoma in situ and other breast malignancies

Overview of attention for article published in Breast Cancer Research, June 2016
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Title
Clonal relationships between lobular carcinoma in situ and other breast malignancies
Published in
Breast Cancer Research, June 2016
DOI 10.1186/s13058-016-0727-z
Pubmed ID
Authors

Colin B. Begg, Irina Ostrovnaya, Jose V. Scarpa Carniello, Rita A. Sakr, Dilip Giri, Russell Towers, Michail Schizas, Marina De Brot, Victor P. Andrade, Audrey Mauguen, Venkatraman E. Seshan, Tari A. King

Abstract

Recent evidence suggests that lobular carcinoma in situ (LCIS) can be a clonal precursor of invasive breast cancers of both the ductal and lobular phenotypes. We sought to confirm these findings with an extensive study of fresh frozen breast specimens from women undergoing mastectomy. Patients with a history of LCIS presenting for therapeutic mastectomy were identified prospectively. Frozen tissue blocks were collected, screened for lesions of interest, and subjected to microdissection and DNA extraction. Copy number profiling, whole-exome sequencing, or both were performed. Clonal relatedness was assessed using specialized statistical techniques developed for this purpose. After exclusions for genotyping failure, a total of 84 lesions from 30 patients were evaluated successfully. Strong evidence of clonal relatedness was observed between an LCIS lesion and the invasive cancer for the preponderance of cases with lobular carcinoma. Anatomically distinct in situ lesions of both ductal and lobular histology were also shown to be frequently clonally related. These data derived from women with LCIS with or without invasive cancer confirm that LCIS is commonly the clonal precursor of invasive lobular carcinoma and that distinct foci of LCIS frequently share a clonal origin, as do foci of LCIS and ductal carcinoma in situ.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 36 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 36 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 22%
Student > Ph. D. Student 7 19%
Other 5 14%
Student > Bachelor 3 8%
Professor > Associate Professor 2 6%
Other 5 14%
Unknown 6 17%
Readers by discipline Count As %
Medicine and Dentistry 12 33%
Biochemistry, Genetics and Molecular Biology 4 11%
Nursing and Health Professions 3 8%
Agricultural and Biological Sciences 3 8%
Computer Science 2 6%
Other 4 11%
Unknown 8 22%
Attention Score in Context

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 24 June 2016.
All research outputs
#22,759,802
of 25,374,917 outputs
Outputs from Breast Cancer Research
#1,883
of 2,053 outputs
Outputs of similar age
#324,389
of 368,655 outputs
Outputs of similar age from Breast Cancer Research
#33
of 35 outputs
Altmetric has tracked 25,374,917 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 2,053 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 12.2. 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 368,655 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 35 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.