Evidence map›Paper›PMID 26589606›Full record

ArticleMedical oncology (Northwood, London, England)2016

EGFR mutations are associated with higher incidence of distant metastases and smaller tumor size in patients with non-small-cell lung cancer based on PET/CT scan.

Jian Guan, Min Chen, Nanjie Xiao, Lu Li, Yue Zhang, Qinyang Li, Mi Yang, Laiyu Liu, Longhua Chen

Abstract read
PubMed Publisher
In one paragraph

Article in Medical oncology (Northwood, London, England), 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 31 papers.

0numbers the graph read from it
0cells of the map it votes in
31citing papers in PubMed
5.0field-weighted citation impact, top 4% 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

31 citing papers in PubMed, 75 citations in OpenAlex.

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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

9 authors at 2 institutions in 1 country.

Jian GuanDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Min ChenDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Nanjie XiaoDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Lu LiDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Yue ZhangDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Qinyang LiDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Mi YangDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China.
Laiyu LiuChronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China. liuly5461@163.com.
Longhua ChenDepartment of Radiation Oncology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, Guangdong Province, China. chenlh5461@163.com.
Nanfang Hospital · CNSouthern Medical University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The study aimed to explore the correlation of epidermal growth factor receptor (EGFR) mutation with tumor node metastasis (TNM) stage in patients with non-small-cell lung cancer (NSCLC) who underwent positron emission tomography/computed tomography (PET/CT) scan. Patients diagnosed with NSCLC who underwent EGFR mutation status testing and PET/CT or PET/CT plus brain magnetic resonance imaging scan at initial diagnosis in Nanfang Hospital between July 2010 and June 2014 were consecutively enrolled. The correlation of EGFR mutation status with TNM stage and distant metastasis organs including brain, bone, liver, pleural, adrenals and contralateral lobe of lung were analyzed. A total of 401 patients were enrolled. Tumor size in EGFR mutation group was significantly smaller than the wild-type group (P < 0.001). Further, patients with EGFR mutations were demonstrated significantly more frequent in patients with distant metastasis than non-metastasis (45.7 vs 32.2 %, P = 0.007). The rates of bone (32.2 vs 22.8 %, P = 0.007) and brain (16.3 vs 9.4 %, P = 0.008) metastasis were significantly higher in EGFR mutation group than the wild-type group. In the subgroup of 199 metastatic NSCLC patients, patients with EGFR mutation were significantly associated with a smaller tumor size (P = 0.013) and earlier N stage (P = 0.033). Of note, compared with the EGFR wild-type group, patients had a higher likelihood of developing brain plus bone metastases at initial diagnosis of EGFR mutation group (20.9 vs 7.5 %, P = 0.018). Taken together, we identify that EGFR mutations might associate with more aggressive tumor progression than the wild types in NSCLC. In addition, patients with tumor having EGFR mutation had a smaller tumor size than without mutation.

Indexed as

AdultAgedAged, 80 and overCarcinoma, Non-Small-Cell LungDNA Mutational AnalysisErbB ReceptorsFemaleHumansLung NeoplasmsMaleMiddle AgedMultimodal ImagingNeoplasm InvasivenessPositron-Emission TomographyTomography, X-Ray ComputedYoung AdultEGFR protein, humanErbB ReceptorsBone metastasisBrain metastasisEGFR mutationNon-small-cell lung cancerTNM stageTumor size

Identifiers

PMID26589606
OpenAlexW2176128299

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.