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Microsurgical neck dissection for metastasizing medullary thyroid carcinoma
H J Buhr1, F Kallinowski, F Raue
1Chirurgische Universitätsklinik, Heidelberg, Germany.
Summary
Surgery offers a curative approach for metastatic medullary thyroid cancer (MCT). Microsurgical radical neck dissection effectively reduced calcitonin levels in most patients, indicating successful treatment of metastatic MCT.
Area of Science:
- Oncology
- Surgical Oncology
- Endocrinology
Background:
- Medullary thyroid cancer (MCT) is a rare endocrine neoplasm.
- Metastatic MCT presents significant treatment challenges.
- Surgery is the primary curative modality for MCT.
Purpose of the Study:
- To evaluate the efficacy of microsurgical modified radical neck dissection for metastatic MCT.
- To assess the impact of surgery on serum calcitonin (CT) levels.
Main Methods:
- A cohort of 53 patients with metastatic MCT treated between 1988 and 1994.
- Surgical intervention involved unilateral or bilateral radical neck dissection.
- Serum calcitonin levels were measured basally and after pentagastrin stimulation post-surgery.
Main Results:
- A significant reduction in basal serum calcitonin levels was observed in all patients six months post-surgery.
- Calcitonin levels remained suppressed in 8 patients upon pentagastrin stimulation.
- Elevated basal calcitonin levels persisted in 12 patients, with 33 showing pathological increases.
Conclusions:
- Microsurgical modified radical neck dissection is an effective treatment for metastatic MCT.
- Surgical intervention leads to profound reductions in calcitonin levels.
- Post-operative calcitonin monitoring is crucial for assessing treatment success.