Evidence map›Paper›PMID 33731052›Full record

ArticleBMC cancer2021

A simple method for diagnosing gallbladder malignant tumors with subserosa invasion by endoscopic ultrasonography.

Mitsuru Sugimoto, Hiroki Irie, Mika Takasumi, Minami Hashimoto, Yuka Oka, Tadayuki Takagi, Rei Suzuki, Naoki Konno, Hiroyuki Asama, Yuki Sato and 7 more

Open access · goldAbstract readEvaluation Study
In one paragraph

Article in BMC cancer, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.

0numbers the graph read from it
0cells of the map it votes in
7citing papers in PubMed
0.8field-weighted citation impact, top 28% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

7 citing papers in PubMed, 7 citations in OpenAlex.

  1. Article
  2. Article
  3. Article
  4. Article
  5. Review
  6. Article
  7. Review
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

17 authors at 2 institutions in 1 country.

Mitsuru SugimotoDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan. kita335@fmu.ac.jp.ORCID http://orcid.org/0000-0002-4223-613X
Hiroki IrieDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Mika TakasumiDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Minami HashimotoDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Yuka OkaDepartment of Diagnostic Pathology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Tadayuki TakagiDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Rei SuzukiDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Naoki KonnoDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Hiroyuki AsamaDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Yuki SatoDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Jun NakamuraDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Tsunetaka KatoDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Ryoichiro KobashiDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Yuko HashimotoDepartment of Diagnostic Pathology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Shigeru MarubashiDepartment of Hepato-Biliary-Pancreatic and Transplant Surgery, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Takuto HikichiDepartment of Endoscopy, Fukushima Medical University Hospital, Fukushima, Japan.
Hiromasa OhiraDepartment of Gastroenterology, School of Medicine, Fukushima Medical University, Fukushima, Japan.
Fukushima Medical University · JPFukushima Medical University Hospital · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundIf the depth of gallbladder malignant tumor (GBMT) invasion is deeper than the subserosa (ss), cholecystectomy is insufficient. In past reports that used endoscopic ultrasonography (EUS) to diagnose the depth of tumor invasion, it was difficult to diagnose GMBT invasion in the ss without a narrow or disrupted lateral hyperechoic layer (LHEL). Therefore, we developed a simple preoperative method to diagnose GBMTs with ss invasion.

methodsForty-nine GBMT patients who underwent both EUS and surgery were enrolled: 15 patients whose tumors invaded the mucosa (m) or muscularis propria (mp) were classified as the "shallow group", and 34 patients whose tumors invaded the ss were classified as the "deep group". The EUS findings were compared between the two groups.

resultsAn irregular (narrow or thickened) LHEL was significantly more frequently observed on EUS in the deep group than in the shallow group. The diagnosis of ss invasion based on an irregular LHEL had the highest sensitivity and accuracy among the EUS imaging parameters (sensitivity 97.1% (33/34), specificity 86.7% (13/15), accuracy 93.8% (46/49)). When the deep group was limited to patients with a tumor depth of ss, the results were similar. When an irregular LHEL was used, the diagnostic accuracy of GBMTs with ss invasion was not significantly different between EUS specialists and beginners.

conclusionsThe observation of an irregular (thickened or narrow) LHEL observed on EUS could be a reliable and simple method of diagnosing GBMTs with ss invasion and could contribute to choosing an appropriate surgical method.

Indexed as

EndosonographyAgedAged, 80 and overCholecystectomyFemaleGallbladderGallbladder NeoplasmsHumansMaleMiddle AgedNeoplasm InvasivenessNeoplasm StagingReproducibility of ResultsRetrospective StudiesDepthEUSGallbladder malignant tumorSubserosa invasion

Identifiers

PMID33731052
PMCPMC7972348
OpenAlexW3135996822

What OpenQuestion holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.