Evidence map›Paper›PMID 22270509›Full record

ArticleEuropean journal of nuclear medicine and molecular imaging2012

Whole-body metabolic tumour volume of 18F-FDG PET/CT improves the prediction of prognosis in small cell lung cancer.

Jong-Ryool Oh, Ji-Hyoung Seo, Ari Chong, Jung-Joon Min, Ho-Chun Song, Young-Chul Kim, Hee-Seung Bom

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In one paragraph

Article in European journal of nuclear medicine and molecular imaging, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 60 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
60citing papers in PubMed, 1 pooled it
6.5field-weighted citation impact, top 2% 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

60 citing papers in PubMed, 1 synthesis or guideline pooled it, 112 citations in OpenAlex.

  1. Pooled it
  2. Trial
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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

7 authors at 4 institutions in 1 country.

Jong-Ryool OhDepartment of Nuclear Medicine, Chonnam National University Medical School and Hospital, 42 Jebong-no, Donggu, Gwangju 501-757, Republic of Korea.
Ji-Hyoung Seo
Ari Chong
Jung-Joon Min
Ho-Chun Song
Young-Chul Kim
Hee-Seung Bom
Chonnam National University · KRChonnam National University Hospital · KRChonnam National University Hwasun Hospital · KRDaegu Fatima Hospital · KR

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeWe investigated whether the whole-body metabolic tumour volume (WBMTV) measured by (18)F-fluorodeoxyglucose (FDG) positron emission tomography/computed tomography (PET/CT) can improve the prediction of prognosis in patients with small cell lung cancer (SCLC).

methodsWe reviewed 106 consecutive patients (mean age 67 years, range 42-89 years, limited stage 45 patients, extensive stage 61 patients) with pathologically proven SCLC who underwent pretreatment FDG PET/CT. WBMTV and maximum standardized uptake value (SUV(max)) were measured in all malignant lesions. The Cox proportional hazards model was used with age, sex, performance status, lactate dehydrogenase (LDH), treatment, stage, SUV(max) and WBMTV to predict overall survival (OS) and progression-free survival (PFS). Subgroup analysis was performed using WBMTV combined with conventional staging and tumour node metastasis (TNM) staging.

resultsThe uni- and multivariate analyses showed that both stage and WBMTV were independent prognostic factors for death and progression. Patients with high WBMTV were associated with poor prognosis compared with patients with low WBMTV [hazard ratio = 2.11 (95% confidence interval 1.31-3.39) for death (p = 0.002) and 1.80 (95% confidence interval 1.16-2.80) for progression (p = 0.009)]. Incorporation of conventional staging and WBMTV could classify four subgroups with different prognoses (log-rank test, p < 0.001). Incorporation of TNM staging and WBMTV could classify six subgroups with different prognoses (log-rank test, p < 0.001).

conclusionWBMTV is an independent predictor for progression and death in patients with SCLC. Incorporation of WBMTV with TNM staging can provide a more detailed prediction of prognosis than WBMTV with conventional staging as well as tumour staging alone.

Indexed as

Fluorodeoxyglucose F18Multimodal ImagingPositron-Emission TomographyTomography, X-Ray ComputedTumor BurdenAdultAgedAged, 80 and overFemaleHumansLung NeoplasmsMaleMiddle AgedMultivariate AnalysisNeoplasm MetastasisNeoplasm StagingFluorodeoxyglucose F18

Identifiers

PMID22270509
OpenAlexW1996713706

What OpenQuestion holds

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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.