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Clinicopathologic and endoscopic features of early-stage colorectal serrated adenocarcinoma

Overview of attention for article published in BMC Gastroenterology, December 2017
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Title
Clinicopathologic and endoscopic features of early-stage colorectal serrated adenocarcinoma
Published in
BMC Gastroenterology, December 2017
DOI 10.1186/s12876-017-0702-x
Pubmed ID
Authors

Daiki Hirano, Shiro Oka, Shinji Tanaka, Kyoku Sumimoto, Yuki Ninomiya, Yuzuru Tamaru, Kenjiro Shigita, Nana Hayashi, Yuji Urabe, Yasuhiko Kitadai, Fumio Shimamoto, Koji Arihiro, Kazuaki Chayama

Abstract

Serrated adenocarcinoma (SAC) is a distinct colorectal carcinoma variant that accounts for approximately 7.5% of all advanced colorectal carcinomas. While its prognosis is worse than conventional carcinoma, its early-stage clinicopathologic features are unclear. We therefore aimed to clarify the clinicopathologic and endoscopic characteristics of early-stage SACs. Forty consecutive early-stage SAC patients at Hiroshima University Hospital were enrolled; SACs were classified into epithelial serration (Group A, n = 17) and non-epithelial serration (Group B, n = 23) groups. Additionally, we classified serrated adenoma into 4 types: sessile serrated adenoma (SSA), traditional serrated adenoma (TSA), unclassified, and non-serrated adenoma type. There were significant differences between Groups A and B in terms of tumor size (27.6 vs. 43.1 mm), incidences of T1 carcinoma (71% vs. 13%), and having the same color as normal mucosa (47% vs. 17%), respectively (p <0.01). In SACs >20 mm, the incidence of T1 carcinoma in Group A (70%) was significantly greater than that in Group B (13%) (p <0.05). There were significant differences in 'Japan NBI Expert Team' type 3 and type V pit pattern classifications between the 2 groups. The average TSA-type tumor size (42.6 mm) was significantly larger than that of the SSA (17.2 mm) and non-serrated component types (18.3 mm). The incidences of submucosal invasion in SSA- (80%), unclassified- (100%), and non-serrated-type (100%) tumors were significantly higher than that in the TSA type (11%). Epithelial serration in the cancerous area and a non-TSA background indicated aggressive behavior in early-stage SACs.

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 13 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 13 100%

Demographic breakdown

Readers by professional status Count As %
Other 3 23%
Researcher 3 23%
Student > Ph. D. Student 1 8%
Student > Doctoral Student 1 8%
Professor > Associate Professor 1 8%
Other 1 8%
Unknown 3 23%
Readers by discipline Count As %
Medicine and Dentistry 8 62%
Agricultural and Biological Sciences 1 8%
Pharmacology, Toxicology and Pharmaceutical Science 1 8%
Unknown 3 23%

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 04 January 2018.
All research outputs
#9,882,885
of 12,381,265 outputs
Outputs from BMC Gastroenterology
#563
of 795 outputs
Outputs of similar age
#252,124
of 351,961 outputs
Outputs of similar age from BMC Gastroenterology
#24
of 51 outputs
Altmetric has tracked 12,381,265 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 795 research outputs from this source. They receive a mean Attention Score of 4.5. This one is in the 16th percentile – i.e., 16% 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 351,961 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 16th percentile – i.e., 16% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 51 others from the same source and published within six weeks on either side of this one. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.