Detection of distant metastasis at the time of ablation in children with differentiated thyroid cancer: the value of pre-ablation stimulated thyroglobulin
-
Lina Liu
and
Rui Huang
Abstract
Background
The present study was designed to determine the value of pre-ablation stimulated thyroglobulin (s-Tg) in predicting distant metastasis (DM) at the time of ablation in children with differentiated thyroid cancer.
Methods
From August 2009 to December 2016, consecutive children with differentiated thyroid cancer undergoing remnant ablation were retrospectively analyzed. Serum s-Tg was measured with the high-sensitive electrochemiluminescence immunoassay during hypothyroidism at ablation just before the ablative radioactive iodine (131I) administration. Post-ablation, whole body planar scintigraphy was obtained 5 days after administration of ablation activity of 131I. Single photon emission computed tomography/low-dose computed tomography (SPECT/CT) was added for children whose planar findings were inconclusive. Receiver-operating characteristics (ROC) curve analysis was employed to find a cut-off level of pre-ablation s-Tg as a predictor of DM at the time of ablation.
Results
Fifty-seven children were included for the analysis. Metastases were noticed on post-ablation scintigraphy in 20 (35%) children: five post-operative residual neck lymph node metastases, four post-operative residual neck lymph node and lung metastases, three mediastinal lymph node and lung metastases and eight lung metastases. A significant difference in pre-ablation s-Tg levels was found in children with DM compared with those without DM, 603.5 vs. 5.7 ng/mL, respectively. A pre-ablation s-Tg level of 156 ng/mL was established as the optimal cut-off point to predict DM.
Conclusions
This study demonstrated that pre-ablation s-Tg could potentially act as a predictor of DM at the time of ablation in children with differentiated thyroid cancer. We also propose a specific pre-ablation s-Tg cut-off value of 156 ng/mL as an optimal threshold for practical use.
Author contributions: All the authors have accepted responsibility for the entire content of this submitted manuscript and approved submission.
Research funding: This work was supported by the National Natural Science Fund of China (grant 81401445).
Employment or leadership: None declared.
Honorarium: None declared.
Competing interests: The funding organization(s) played no role in the study design; in the collection, analysis, and interpretation of data; in the writing of the report; or in the decision to submit the report for publication.
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Articles in the same Issue
- Frontmatter
- Review
- Prevalence of cranial MRI findings in girls with central precocious puberty: a systematic review and meta-analysis
- Original Articles
- Can having a sibling with type 1 diabetes cause disordered eating behaviors?
- Wrist circumference as a novel predictor of obesity in children and adolescents: the CASPIAN-IV study
- Evaluation of Mn-superoxide dismutase and catalase gene expression in childhood obesity: its association with insulin resistance
- Impact of a group-based treatment program on adipocytokines, oxidative status, inflammatory cytokines and arterial stiffness in obese children and adolescents
- Clinical management of childhood hyperthyroidism with and without Down syndrome: a longitudinal study at a single center
- Detection of distant metastasis at the time of ablation in children with differentiated thyroid cancer: the value of pre-ablation stimulated thyroglobulin
- Random serum free cortisol and total cortisol measurements in pediatric septic shock
- Self-assessment of pubertal development in a puberty cohort
- Growth, the Mediterranean diet and the buying power of adolescents in Greece
- Clinical and molecular genetic characterization of two patients with mutations in the phosphoglucomutase 1 (PGM1) gene
- Genetic analysis of three families with X-linked dominant hypophosphatemic rickets
- Clinical heterogeneity and molecular profile of triple A syndrome: a study of seven cases
- No central adrenal insufficiency found in patients with Prader-Willi syndrome with an overnight metyrapone test
- Case Reports
- A novel mutation in the proopiomelanocortin (POMC) gene of a Hispanic child: metformin treatment shows a beneficial impact on the body mass index
- Hypertriglyceridemia thalassemia syndrome
- Severe consumptive hypothyroidism caused by multiple infantile hepatic haemangiomas
