Multifocal papillary thyroid cancer in children and adolescents: 12-year experience in a single center
Thyroid World Congress ePoster Library. CHEN J. 06/22/19; 272155; 42
JIAYING CHEN
JIAYING CHEN
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Abstract
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Background

Thyroid cancer is the most common endocrine malignant disease in children and adolescents. There is a trend of more conservative strategies including lobectomy and less radioactive iodine therapy(RAI) in multifocal PTC for its good survival outcome. The aim of our study was to define long-time outcome of a large cohort of multifocal PTC patients less than 20 years old treated at our institution.

 

Methods

Data were collected from 276 cases who were initially diagnosis of PTC under the age of 20from January 2006 to December 2015 at Fudan University Shanghai Cancer Center. All patients received total/near total thyroidectomy or lobectomy. Therapeutic central-compartment (level VI) and lateral neck lymph node dissection performed for patients with clinically involved neck nodes. RAI therapy used in selected patients. No patients received chemotherapy or kinase inhibitor therapy. TSH suppression therapy were performed in all patients for at least 5 years.

 

Results

90 among 276 were multifocal PTC patients and were included in this study. The median follow-up time was 54.28 months, ranging from 6.10 to 141.27 months. 15 patients had tumor recurrence during the follow-up. On Kaplan-Meier survival curves, lymphovascular invasion and extrathyroidal extension was associated with a decline in recurrence-free survival. However, there was no difference in recurrence-free survival curves in patients no matter which treatment they had received, either lobectomy or total thyroidectomy, RAI or not.

 

Conclusion

More conservative strategies including lobectomy and less radioactive iodine therapy(RAI) in multifocal PTC among children and adolescents are safe and effective.

 


Background

Thyroid cancer is the most common endocrine malignant disease in children and adolescents. There is a trend of more conservative strategies including lobectomy and less radioactive iodine therapy(RAI) in multifocal PTC for its good survival outcome. The aim of our study was to define long-time outcome of a large cohort of multifocal PTC patients less than 20 years old treated at our institution.

 

Methods

Data were collected from 276 cases who were initially diagnosis of PTC under the age of 20from January 2006 to December 2015 at Fudan University Shanghai Cancer Center. All patients received total/near total thyroidectomy or lobectomy. Therapeutic central-compartment (level VI) and lateral neck lymph node dissection performed for patients with clinically involved neck nodes. RAI therapy used in selected patients. No patients received chemotherapy or kinase inhibitor therapy. TSH suppression therapy were performed in all patients for at least 5 years.

 

Results

90 among 276 were multifocal PTC patients and were included in this study. The median follow-up time was 54.28 months, ranging from 6.10 to 141.27 months. 15 patients had tumor recurrence during the follow-up. On Kaplan-Meier survival curves, lymphovascular invasion and extrathyroidal extension was associated with a decline in recurrence-free survival. However, there was no difference in recurrence-free survival curves in patients no matter which treatment they had received, either lobectomy or total thyroidectomy, RAI or not.

 

Conclusion

More conservative strategies including lobectomy and less radioactive iodine therapy(RAI) in multifocal PTC among children and adolescents are safe and effective.

 


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