Evidence map›Paper›PMID 34019129›Full record

ArticleEuropean radiology2021

Correlation between pleural tags on CT and visceral pleural invasion of peripheral lung cancer that does not appear touching the pleural surface.

Hideko Onoda, Mayumi Higashi, Tomoyuki Murakami, Hiroyuki Tao, Shintaro Yokoyama, Yoshie Kunihiro, Reo Kawano, Masahiro Tanabe, Nobuyuki Tanaka, Tsuneo Matsumoto

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Article in European radiology, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 34 papers.

0numbers the graph read from it
0cells of the map it votes in
34citing papers in PubMed
–field-weighted citation impact
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

34 citing papers in PubMed.

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4 · The record

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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

10 authors.

Hideko OnodaDepartment of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan. onodah@yamaguchi-u.ac.jp.ORCID http://orcid.org/0000-0002-7281-6899
Mayumi HigashiDepartment of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan.
Tomoyuki MurakamiDepartment of Pathology, National Hospital Organization Kanmon Medical Center, Shimonoseki, Japan.
Hiroyuki TaoDepartment of Thoracic Surgery, Japanese Red Cross Society Himeji Hospital, Himeji, Japan.
Shintaro YokoyamaDepartment of Surgery, Kurume University School of Medicine, Kurume, Japan.
Yoshie KunihiroDepartment of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan.
Reo KawanoCenter for Integrated Medical Research, Hiroshima University Hospital, Hiroshima, Japan.
Masahiro TanabeDepartment of Radiology, Yamaguchi University Graduate School of Medicine, 1-1-1 Minamikogushi, Ube, 755-8505, Japan.
Nobuyuki TanakaDepartment of Radiology, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan.
Tsuneo MatsumotoDepartment of Radiology, National Hospital Organization Yamaguchi-Ube Medical Center, Ube, Japan.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

objectivesTo evaluate the association between a sign and visceral pleural invasion (VPI) of peripheral non-small-cell lung cancer (NSCLC) that does not appear touching the pleural surface.

methodsA total of 221 consecutive patients with NSCLC that did not appear touching the pleural surface, ≤ 3 cm in solid tumor diameter, and was surgically resected between January 2009 and December 2015 were included. We focused on the flat distortion of the tumor caused by an arch-shaped linear tag between the tumor and the pleura on CT and named it a bridge tag sign. We evaluated the associations between the clinicopathological features of the tumor, including the bridge tag sign, and VPI. We also evaluated the associations between histopathological findings and the bridge tag sign. The utility of the bridge tag sign in the diagnosis of VPI was statistically assessed.

resultsThe bridge tag sign was observed in 48 (20.8%) patients. VPI was positive in 9 (4.1%) patients; among these, the bridge tag sign was positive in 8 patients. In multivariate analysis, a bridge tag sign was significantly associated with VPI. The bridge tag sign was associated with longer contact length of the pleura with the tumor and trapezoid type pleural retraction. The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of the bridge tag sign in the diagnosis of VPI were 88.9%, 83.5%, 83.7%, 18.6%, and 99.4%, respectively.

conclusionsA bridge tag sign on CT might improve the accuracy of the prediction of VPI. KEY POINTS: • We present the bridge tag sign which is defined as a flat distortion of an NSCLC tumor by an arch-shaped linear tag between the tumor and chest wall or interlobar fissure. • The bridge tag sign was an independent predictive factor for visceral pleural invasion. • The sensitivity, specificity, accuracy, positive predictive value, and negative predictive value of the bridge tag sign in the diagnosis of visceral pleural invasion were 88.9%, 83.5%, 83.7%, 18.6%, and 99.4%, respectively.

Indexed as

Carcinoma, Non-Small-Cell LungLung NeoplasmsHumansNeoplasm InvasivenessNeoplasm StagingPleuraPrognosisRetrospective StudiesTomography, X-Ray ComputedHelical computed tomography, pleuraNon–small-cell lung cancer

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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.