Evidence map›Paper›PMID 33026177›Full record

ArticleThoracic cancer2020

Preoperative mediastinal staging in patients with cT1-3NxM0 non-small cell lung cancer.

Bastiaan E Steunenberg, Tom P A Beddows, Hans G W De Groot, Ninos Ayez, Cor Van Der Leest, Joachim G J V Aerts, Eelco J Veen

Open access · goldAbstract read
In one paragraph

Article in Thoracic cancer, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing papers in PubMed
–field-weighted citation impact, top 80% 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

1 citing paper in PubMed, 1 citations in OpenAlex.

  1. 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

7 authors at 1 institution in 1 country.

Bastiaan E SteunenbergDepartment of Pulmonary Surgery, Amphia Hospital Breda, Breda, The Netherlands.ORCID 0000-0001-9195-7032
Tom P A BeddowsDepartment of Pulmonary Surgery, Amphia Hospital Breda, Breda, The Netherlands.
Hans G W De GrootDepartment of Pulmonary Surgery, Amphia Hospital Breda, Breda, The Netherlands.
Ninos AyezDepartment of Pulmonary Surgery, Amphia Hospital Breda, Breda, The Netherlands.
Cor Van Der LeestDepartment of Pulmonary Medicine, Amphia Hospital Breda, Breda, The Netherlands.
Joachim G J V AertsDepartment of Pulmonary Medicine, Amphia Hospital Breda, Breda, The Netherlands.
Eelco J VeenDepartment of Pulmonary Surgery, Amphia Hospital Breda, Breda, The Netherlands.
Amphia Ziekenhuis · NL

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundEndosonography is accepted as the initial procedure for mediastinal staging in patients with suspected non-small cell lung cancer (NSCLC). However, the diagnostic value of different staging methods in specific subgroups is unclear. The purpose of this study was to assess the performance and outcome of mediastinal staging in lung cancer in a general teaching hospital.

methodsThe records of 870 consecutive patients with potentially resectable NSCLC (cT1-3NxM0) were analyzed in a retrospective cohort study between January 2010 and December 2016. Patients were divided into four different groups according to ESTS guidelines. The primary endpoint was the rate of unforeseen mediastinal metastasis in these groups and the sensitivity of different staging methods.

resultsMediastinal staging was performed in 336 patients of whom 112 (33%) underwent lobectomy. Unforeseen mediastinal metastasis was seen in 10 (9%) patients after negative mediastinal staging. Sensitivity after combined mediastinal staging (endosonography with mediastinoscopy) in the overall group was 94%. In patients without suspected mediastinal lymph nodes but with suspected hilar lymph nodes (N1), or a peripheral tumor >3 cm, sensitivity of endosonography was 33% and mediastinoscopy 75%. Biopsy of at least level 4L, 4R and 7 was taken in 18% of the endosonographies and 58% of the mediastinoscopies. DISCUSSION: Combined mediastinal staging (endosonography with mediastinoscopy) is reliable with a sensitivity of 94%. However, the diagnostic value of endosonography in patients with suspected hilar lymph nodes or a peripheral tumor >3 cm is questionable, and in these patients, performing direct mediastinoscopy should be considered. KEY POINTS: SIGNIFICANT FINDINGS OF THIS STUDY: The diagnostic value of endosonography in patients without suspected mediastinal lymph nodes but with potential risk factors (suspected N1 disease or peripheral tumor >3 cm) is questionable. Therefore, mediastinoscopy as the first choice should be considered in these patients. WHAT THIS STUDY ADDS?: Accurate mediastinal nodal staging is essential in patients with suspected NSCLC to avoid unnecessary lobectomy. Detailed knowledge about sensitivity and specificity of mediastinal staging techniques in different patient groups can make a difference.

Indexed as

AdultAgedAged, 80 and overCarcinoma, Non-Small-Cell LungFemaleHumansLung NeoplasmsMaleMediastinumMiddle AgedNeoplasm StagingPreoperative PeriodRetrospective StudiesMediastinumNSCLCpreoperative stagingquality management

Identifiers

PMID33026177
PMCPMC7705925
OpenAlexW3091940568

What OpenQuestion holds

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LicenceCC BY
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Registered trials

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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.