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[Thyroid carcinoma in childhood].

L Calbo1, C Spinelli, G Melita

  • 1Cattedra di Endocrinochirurgia, Università degli Studi di Messina.

Chirurgia Italiana
|January 1, 1997
PubMed
Summary

Childhood thyroid cancer is rare and typically presents as well-differentiated epithelial types, often papillary. Pediatric thyroid cancer generally has a better prognosis than in adults, though medullary carcinoma carries a worse outlook.

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Area of Science:

  • Pediatric Endocrinology
  • Oncology
  • Surgical Oncology

Background:

  • Thyroid carcinoma is exceptionally rare in children compared to adults.
  • Childhood thyroid neoplasms predominantly exhibit well-differentiated epithelial histology, particularly papillary types.
  • Undifferentiated thyroid carcinoma is virtually absent in pediatric cases.

Purpose of the Study:

  • To characterize thyroid carcinoma in children.
  • To compare pediatric thyroid cancer features with those in other age groups.
  • To analyze prognostic factors and treatment implications for childhood thyroid cancer.

Main Methods:

  • Retrospective analysis of 69 pediatric thyroid carcinoma cases.
  • Histopathological classification of tumor types.
  • Evaluation of treatment modalities including surgery and radiotherapy.
  • Comparison of outcomes between different age groups and carcinoma subtypes.

Main Results:

  • No undifferentiated thyroid carcinomas were observed in the pediatric cohort.
  • Overwhelming majority of tumors were well-differentiated epithelial types (papillary).
  • Prognosis for childhood thyroid cancer is generally more favorable than in adults.
  • Medullary thyroid carcinoma, especially when associated with endocrinopathies, has a poorer prognosis and higher recurrence rates.
  • Surgical intervention (total thyroidectomy with lymphadenectomy) is indicated for epithelial types, with radiotherapy for metastatic disease.
  • Pediatric thyroid surgery carries increased risks of iatrogenic injury due to anatomical differences.

Conclusions:

  • Childhood thyroid carcinoma is predominantly well-differentiated, with a better prognosis than in adults.
  • Treatment strategies must be tailored to histology, with specific considerations for medullary carcinoma.
  • Surgical risks in pediatric thyroid cancer necessitate careful technique and experienced surgical teams.

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