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Thyroglossal duct carcinoma: presentation and management, including eight cases reports
M O'Connell1, M Grixti, C Harmer
1Royal Marsden Hospital, London, UK.
Clinical Oncology (Royal College of Radiologists (Great Britain))
|August 15, 1998
Summary
Malignant transformation of thyroglossal duct cysts is rare, occurring in only 1%. This study reviewed eight cases of thyroid cancer arising in these cysts, highlighting varied management and outcomes.
Area of Science:
- Endocrinology
- Oncology
- Surgical Pathology
Background:
- Thyroglossal duct cysts are common congenital anomalies.
- Malignant transformation within these cysts is exceptionally rare, estimated at 1%.
Observation:
- The study reviewed eight patients diagnosed with thyroid cancer originating from thyroglossal duct cysts between 1956 and 1991.
- Patient ages ranged from 14 to 71 years, with a mean of 44.6 years.
- Seven papillary and one follicular thyroid carcinomas were identified.
Findings:
- Follow-up ranged from 6 to 41 years (mean 16.5 years).
- Management strategies included surgical excision alone, combined with thyroidectomy and radioiodine, or radioiodine post-biopsy.
- Metastases were infrequent, observed in only one patient, and multifocal disease occurred in two patients.
Implications:
- This case series provides insights into the clinical presentation and management of rare thyroid cancers arising in thyroglossal duct cysts.
- Understanding these rare occurrences aids in refining diagnostic and therapeutic approaches for thyroid gland abnormalities.