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Summary
Papillary thyroid carcinoma with lymph node metastases can be indolent. Long-term suppressive thyroid hormone therapy may be effective, suggesting less invasive treatments could be considered.
Area of Science:
- Endocrinology
- Oncology
Background:
- Papillary thyroid carcinoma (PTC) is a common thyroid malignancy.
- Cervical lymph node metastases are frequent in PTC.
- Standard treatment often involves aggressive surgical and radioactive iodine approaches.
Observation:
- Two patients with PTC and cervical lymph node metastases were treated with suppressive doses of thyroid hormone.
- These patients remained asymptomatic for 25 and 34 years post-treatment.
- The local metastases appeared to be relatively innocuous.
Findings:
- Long-term suppressive thyroid hormone therapy was associated with prolonged asymptomatic disease in patients with PTC lymph node metastases.
- Evidence suggests these metastases may have a protective effect in this low-grade cancer.
- The observed outcomes challenge the necessity of aggressive treatment modalities.
Implications:
- Current treatment paradigms for PTC with lymph node metastases may be overly invasive.
- Reassessment of treatment strategies, potentially favoring less invasive options like hormone suppression, is warranted.
- Further research into the indolent nature of certain PTC metastases is needed.