SynthesisWorld journal of surgery2021
Clinicopathological Significance of Papillary Thyroid Carcinoma Located in the Isthmus: A Meta-Analysis.
Synthesis in World journal of surgery, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 29 papers, 1 of them a synthesis that pooled 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.
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.
Who cites it
29 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Do thyroid nodules in the isthmus carry a higher risk of malignancy? A systematic review and meta-analysis.European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2026Pooled it
- Total thyroidectomy versus limited thyroidectomy for isthmic papillary thyroid carcinoma: a systematic review and meta-analysis of oncologic outcomes and surgical morbidity.Journal of endocrinological investigation · 2026Review
- Clinical outcomes of lobectomy versus isthmusectomy for clinically node-negative solitary isthmic papillary thyroid microcarcinoma: a retrospective cohort study.Gland surgery · 2026Article
- Prognosis and surgical outcomes of isthmusectomy for cN0 solitary Low-Risk papillary thyroid microcarcinoma in the isthmus.Endocrine · 2026Article
- Nomogram prediction for central lymph node metastasis in papillary thyroid microcarcinoma of the isthmus based on clinical and ultrasound features.Frontiers in surgery · 2026Article
- Microwave ablation for T1N0M0 papillary thyroid carcinoma located in the isthmus: a multicenter prospective cohort study with over 5-year follow-up.Therapeutic advances in medical oncology · 2026Article
- Patient satisfaction with postoperative analgesia after hepatobiliary and pancreatic surgery: a retrospective analysis.Frontiers in surgery · 2026Article
- Active surveillance of highly suspicious thyroid nodules in the isthmus compared with non-isthmus locations: a multicenter retrospective study.Frontiers in endocrinology · 2026Article
- The Initial Risk Stratification System for Differentiated Thyroid Cancer: Key Updates in the 2024 Korean Thyroid Association Guideline.Endocrinology and metabolism (Seoul, Korea) · 2025Review
- Development and validation of a multidimensional machine learning-based nomogram for predicting central lymph node metastasis in papillary thyroid microcarcinoma.Gland surgery · 2025Article
- Predictive risk-scoring model for lateral lymph node metastasis in papillary thyroid carcinoma.Scientific reports · 2025Article
- A cascaded clinical-ultrasound-biochemical model for precise prediction before thyroid nodule fine-needle aspiration biopsy.Frontiers in medicine · 2025Article
- Lobectomy with ipsilateral central lymph node dissection might be an appropriate surgical method for select cases of isthmic papillary thyroid carcinoma: a retrospective study with propensity scores matching analysis.Frontiers in endocrinology · 2025Article
- A nomogram for individualized prediction for cervical lymph node metastasis of papillary thyroid carcinoma.Gland surgery · 2024Article
- [Surgical approach selection and prognosis analysis of papillary thyroid microcarcinoma in the isthmus].Lin chuang er bi yan hou tou jing wai ke za zhi = Journal of clinical otorhinolaryngology head and neck surgery · 2024Article
- Predicting central lymph node metastasis in papillary thyroid cancer: A nomogram based on clinical, ultrasound and contrast‑enhanced computed tomography characteristics.Oncology letters · 2024Article
- Total thyroidectomy versus less-than-total thyroidectomy for papillary thyroid carcinoma of isthmus: a systematic review and meta-analysis.Gland surgery · 2023Article
- Development and validation of nomograms for predicting the risk of central lymph node metastasis of solitary papillary thyroid carcinoma of the isthmus.Journal of cancer research and clinical oncology · 2023Article
- Implications of isthmic location as a risk factor in papillary thyroid carcinoma.Gland surgery · 2023Article
- A clinical study on microwave ablation of multifocal (≤ 3) T1N0M0 papillary thyroid carcinoma.European radiology · 2023Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe thyroid isthmus is located directly anterior to the trachea and is covered by the strap muscles. Several studies have suggested that papillary thyroid carcinoma (PTC) in the isthmus is more aggressive and is associated with a poor prognosis. The purpose of this meta-analysis was to assess the clinicopathological characteristics and recurrence rates of PTC in the isthmus compared to PTC at other sites.
methodsRelevant articles were obtained by searching the PubMed database. A meta-analysis was performed using 11 eligible studies.
resultsThe rate of extrathyroidal extension was 0.502 (95% confidence interval [CI]: 0.239-0.764) and 0.454 (95% CI: 0.331-0.582) for isthmus PTC and PTC at other site, respectively; however, the difference in the rates was not statistically significant. Lymphovascular invasion did not significantly differ between isthmus PTC (0.179 [95% CI: 0.102-0.297]) and PTC at other sites (0.114 [95% CI: 0.066-0.188]). The rate of central lymph node (LN) metastasis was significantly higher in isthmus PTC (0.527 [95% CI: 0.435-0.617]) than in PTC at other sites (0.352 [95% CI: 0.280-0.432]). No significant difference was observed between the two groups in terms of lateral cervical LN metastasis rate. Isthmus PTC was more likely to have a prominent recurrence rate (0.046 [95% CI: 0.022-0.094]) than PTC at other sites (0.010 [95% CI: 0.001-0.070]); however, the difference was not statistically significant (because of the small number of included studies).
conclusionsThe results of this meta-analysis indicated that isthmus PTC was associated with an increased risk of central LN metastasis. Isthmus PTC seems to have a slightly higher recurrence rate than PTC at other sites. Therefore, considering the potential of the isthmus location as an unfavorable factor, more attention should be focused on isthmus PTC, and a more aggressive approach such as prophylactic central LN dissection might provide better outcomes in PTC management.
Indexed as
Identifiers
34117511What OpenQuestion holds
Registered trials
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.