Endocrine oncology

Pediatric Papillary Thyroid Carcinoma: Outcomes After Surgery Without Adjuvant Radioactive Iodine

J Clin Endocrinol MetabPublished Ambispective cohort study

An erratum to this article was published (J Clin Endocrinol Metab, 21 Jan 2025 ↗)

Authors' conclusion

Selected pediatric PTC patients, even those with lymph node metastases, may not require therapeutic 131I and can avoid the unnecessary risks of RAI while still benefitting from the excellent long-term outcomes that are well described for this disease.

Study context

Population
Patients <19 years with stage 1 papillary thyroid carcinoma (PTC) diagnosed 1990–2021, intentionally not treated with radioactive iodine (RAI) within a year of diagnosis; median age 16 years, 87% female, 49% with cervical lymph node metastasesof 490 PTC patients
Participants
93 patients
Exposure
Total thyroidectomy ± neck dissection vs Lobectomy ± neck dissection vs Sistrunk procedure
  • Total thyroidectomy ± neck dissectionn = 69
  • Lobectomy ± neck dissectionn = 20
  • Sistrunk proceduren = 4
Outcome
Disease-free with no further therapy
Follow-up
Median 5.5 years (range 1-26)
Methodological detailssingle tertiary cancer center
  • Single tertiary cancer center

Main finding

As reported in the abstract

Remained disease-free with no further therapy

85/93; 91%

Persistent (n = 5) or recurrent (n = 3) disease

9%

Observational data: associations, not effects.

Further findings

Further treatment

Ultimately received RAI
4 patients
Clearly benefitted from RAI
1
Additional surgery performed or planned
4 patients
Excellent response at last follow-up after additional surgery
2

Original publication

Pediatric Papillary Thyroid Carcinoma: Outcomes After Surgery Without Adjuvant Radioactive Iodine. J Clin Endocrinol Metab. Published 20 August 2024. doi:10.1210/clinem/dgae576

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