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Papillary carcinoma in thyroglossal duct cyst
D Moncet1, M Manavela, G E Cross
1Division of Endocrinology, Hospital de Clínicas, José de San Martín School of Medicine, University of Buenos Aires, Argentina.
Summary
Papillary carcinoma (PC) in thyroglossal duct cysts (TGCs) can be effectively managed with total thyroidectomy, radioiodine therapy, and levothyroxine. This approach leads to favorable outcomes and enables better postoperative follow-up for patients with TGCs and PC.
Area of Science:
- Endocrinology
- Oncology
- Surgical Pathology
Background:
- Thyroglossal duct cysts (TGCs) are congenital anomalies that can rarely harbor papillary carcinoma (PC).
- The pathogenesis of PC within TGCs, whether de novo or metastatic, remains a subject of discussion.
Observation:
- Three cases of PC within TGCs are presented, involving patients aged 22-46.
- All patients presented with a vegetating mass in the TGC, confirmed as PC upon pathological examination.
- Two patients also had concurrent PC in the thyroid gland, including one with an undetected microcarcinoma.
Findings:
- All patients underwent total thyroidectomy, followed by radioactive iodine (131I) therapy and levothyroxine suppressive treatment.
- Follow-up ranged from 2 to 12 years, with no evidence of disease recurrence and undetectable serum thyroglobulin levels.
- The management strategy, though debated, demonstrated favorable outcomes, particularly when the thyroid gland was also affected.
Implications:
- Total thyroidectomy combined with radioiodine therapy and levothyroxine is a viable and effective treatment for PC in TGCs.
- This therapeutic approach facilitates improved postoperative monitoring and long-term disease management.
- The study supports the efficacy of this multimodal treatment strategy in achieving favorable outcomes for patients with this rare condition.
