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[A thyroglossal duct cyst with ectopic thyroid carcinoma].
J C Goslings1, B M Goslings, N de Vries
1Afd. Chirurgie, Sint Lucas Andreas Ziekenhuis, Amsterdam. j.c.goslings@amc.uva.nl
Nederlands Tijdschrift Voor Geneeskunde
|April 24, 2002
Summary
Thyroglossal duct cysts can harbor papillary thyroid carcinoma. Standard treatment for thyroglossal duct carcinoma should include near-total thyroidectomy and radioactive iodine therapy to prevent recurrence.
Area of Science:
- Oncology
- Endocrinology
- Surgical Pathology
Background:
- Thyroglossal duct cysts are congenital anomalies that can rarely be associated with malignancy, predominantly papillary thyroid carcinoma.
- Preoperative evaluation for nodular thyroid abnormalities is crucial before thyroglossal duct cyst resection.
Observation:
- A 15-year-old male presented with an asymptomatic neck swelling, diagnosed as papillary thyroid carcinoma post-resection.
- Recurrent carcinoma was detected in the neck approximately two years after initial tumor resection and treatment.
Findings:
- Papillary thyroid carcinoma is found in about 1% of resected thyroglossal duct cysts.
- Malignant foci are identified in the thyroid gland in 10-40% of patients undergoing subsequent thyroidectomy after thyroglossal duct cyst removal.
Implications:
- Near-total thyroidectomy is recommended as the standard surgical procedure for thyroglossal duct carcinoma due to multifocal occurrence and potential for incomplete resection.
- Postoperative radioactive iodine (131I) therapy is advised following near-total thyroidectomy for thyroglossal duct carcinoma.
- Limited surgical approaches may be considered only when oncological radicalness is assured and no indications for nodular thyroid disease exist.