1.5-2 cm tumor size was not associated with distant metastasis and mortality in small thyroid cancer: A population-based study

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Abstract

Most guidelines for the diagnosis and management of thyroid nodules have suggested fine-needle aspiration as a diagnostic tool, with some of these previously published guidelines suggesting a cutoff size of 1.5 cm. In thyroid cancers (1-2 cm), we hypothesized that tumors 1.5 cm or larger had more unfavorable clinical outcomes than ones smaller than 1.5 cm nodules. Using the Surveillance, Epidemiology, and End Results database, we identified 14,117 patients diagnosed with only primary thyroid cancer between 1988 and 2007. After multivariable adjustment, we found that having a tumor 1.5 cm or larger in size was not associated with distant metastasis [adjusted odds ratio, 1.18; 95% confidence interval (CI), 0.95 to 1.48; P = 0.14] or the two causes of death (adjusted subdistributional hazard ratio (SDHR), 1.40; 95% CI, 0.96 to 2.04; P = 0.08 for thyroid cancer mortality; adjusted SDHR, 1.06; 95% CI, 0.88 to 1.27; P = 0.55 for noncancer mortality). Using a population-based cohort, in patients with primary thyroid cancer with a tumor size of 1.5-2 cm, there was no increased association with distant metastasis or probability of death, when compared with patients with primary thyroid cancer with a tumor size of 1.0-1.5 cm.

Original languageEnglish
Article number46298
JournalScientific reports
Volume7
DOIs
Publication statusPublished - 2017 Apr 11

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Thyroid Neoplasms
Neoplasm Metastasis
Mortality
Population
Confidence Intervals
Neoplasms
Guidelines
Thyroid Nodule
Fine Needle Biopsy
Cause of Death
Epidemiology
Odds Ratio
Databases

All Science Journal Classification (ASJC) codes

  • General

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title = "1.5-2 cm tumor size was not associated with distant metastasis and mortality in small thyroid cancer: A population-based study",
abstract = "Most guidelines for the diagnosis and management of thyroid nodules have suggested fine-needle aspiration as a diagnostic tool, with some of these previously published guidelines suggesting a cutoff size of 1.5 cm. In thyroid cancers (1-2 cm), we hypothesized that tumors 1.5 cm or larger had more unfavorable clinical outcomes than ones smaller than 1.5 cm nodules. Using the Surveillance, Epidemiology, and End Results database, we identified 14,117 patients diagnosed with only primary thyroid cancer between 1988 and 2007. After multivariable adjustment, we found that having a tumor 1.5 cm or larger in size was not associated with distant metastasis [adjusted odds ratio, 1.18; 95{\%} confidence interval (CI), 0.95 to 1.48; P = 0.14] or the two causes of death (adjusted subdistributional hazard ratio (SDHR), 1.40; 95{\%} CI, 0.96 to 2.04; P = 0.08 for thyroid cancer mortality; adjusted SDHR, 1.06; 95{\%} CI, 0.88 to 1.27; P = 0.55 for noncancer mortality). Using a population-based cohort, in patients with primary thyroid cancer with a tumor size of 1.5-2 cm, there was no increased association with distant metastasis or probability of death, when compared with patients with primary thyroid cancer with a tumor size of 1.0-1.5 cm.",
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