Evidence map›Paper›PMID 32723382›Full record

ArticleWorld journal of surgical oncology2020

PTC located in the upper pole is more prone to lateral lymph node metastasis and skip metastasis.

Yi Dou, Daixing Hu, Yingji Chen, Wei Xiong, Qi Xiao, Xinliang Su

Abstract read
In one paragraph

Article in World journal of surgical oncology, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed, 1 pooled it
–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

21 citing papers in PubMed, 1 synthesis or guideline pooled it.

  1. Pooled it
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  5. Observational
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  7. [A multi-molecular predictive model for lymph node metastasis in papillary thyroid carcinoma based on machine learning algorithms].Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2025
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  13. [Risk factors of skip lateral cervical lymph node metastasis in papillary thyroid carcinoma].Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2022
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  20. Predicting factors of central lymph node metastasis and BRAFWorld journal of surgical oncology · 2021
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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

6 authors.

Yi DouDepartment of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
Daixing HuDepartment of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
Yingji ChenDepartment of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
Wei XiongDepartment of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
Qi XiaoDepartment of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China.
Xinliang SuDepartment of Endocrine and Breast Surgery, the First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China. suxinliang@21cn.com.ORCID http://orcid.org/0000-0001-5792-1407

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundLateral lymph node metastasis (LLNM) is very common in papillary thyroid carcinoma (PTC). The influence of tumour location on LLNM remains controversial. The purpose of this study was to reveal the association between PTC tumours located in the upper pole and LLNM.

methodsWe reviewed a total of 1773 PTC patients who underwent total thyroidectomy with central and lateral lymph node dissection between 2013 and 2018. Patients were divided into two groups according to tumour location. Univariate and multivariate analyses were performed to identify risk factors associated with LLNM and "skip metastasis".

resultsIn the upper pole group, LLNM and skip metastasis were significantly likely to occur. Multivariate analysis showed that tumours located in the upper pole, male sex, extrathyroidal extension (ETE), central lymph node metastasis (CLNM) and tumour size were independent risk factors for LLNM, with odds ratios ([ORs], 95% confidence intervals [CIs]) of 2.136 (1.707-2.672), 1.486 (1.184-1.867), 1.332 (1.031-1.72), 4.172 (3.279-5.308) and 2.496 (1.844-3.380), respectively. Skip metastasis was significantly associated with the primary tumour location in the upper pole and age > 55 years, with ORs of 4.295 (2.885-6.395) and 2.354 (1.522-3.640), respectively.

conclusionsIn our opinion, papillary thyroid tumours located in the upper pole may have an exclusive drainage pathway to the lateral lymph nodes. When the tumour is located in the upper pole, lateral neck dissection should be evaluated meticulously.

Indexed as

Lymph NodesThyroid NeoplasmsHumansLymphatic MetastasisMaleMiddle AgedNeck DissectionPrognosisRetrospective StudiesRisk FactorsThyroid Cancer, PapillaryThyroidectomyLymphatic metastasisLymph node dissectionPapillary thyroid carcinoma (PTC)Tumour location

Identifiers

PMID32723382
PMCPMC7389816

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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.