BACKGROUND: This study evaluated the outcome of total thyroidectomy and modified radical neck dissection in primary treatment of patients with medullary thyroid carcinoma (MTC). METHODS: Thirty-six patients with sporadic (n = 16) and hereditary (n = 20) MTC underwent thyroidectomy and systematic central and lateral lymph node dissection (unilateral, 23; bilateral, 13) between 1994 and 2000. Postoperative serum calcitonin levels were correlated with immediate or delayed surgery, tumor categories, and lymph node metastases. RESULTS: Sixteen of 36 (44%) patients with clinically evident MTC treated with central and lateral neck dissection exhibited normal basal and stimulated calcitonin levels at a median follow-up of 3.7 years. Lymph node involvement was detected in 75% of these patients and correlated with the TNM stages. Biochemical cure was achieved according to the T categories in 83% of the patients in stage T1, 42% in stage T2, and none of the patients in stage T4 (P = .011). Basal and stimulated calcitonin levels were found to be normal in 89% of the patients without lymph node involvement and in 30% of the patients with lymph node metastases (P = .005). CONCLUSIONS: Screening for MTC and primary treatment with total thyroidectomy and modified radical neck dissection are essential for biochemical cure of MTC.
BACKGROUND: This study evaluated the outcome of total thyroidectomy and modified radical neck dissection in primary treatment of patients with medullary thyroid carcinoma (MTC). METHODS: Thirty-six patients with sporadic (n = 16) and hereditary (n = 20) MTC underwent thyroidectomy and systematic central and lateral lymph node dissection (unilateral, 23; bilateral, 13) between 1994 and 2000. Postoperative serum calcitonin levels were correlated with immediate or delayed surgery, tumor categories, and lymph node metastases. RESULTS: Sixteen of 36 (44%) patients with clinically evident MTC treated with central and lateral neck dissection exhibited normal basal and stimulated calcitonin levels at a median follow-up of 3.7 years. Lymph node involvement was detected in 75% of these patients and correlated with the TNM stages. Biochemical cure was achieved according to the T categories in 83% of the patients in stage T1, 42% in stage T2, and none of the patients in stage T4 (P = .011). Basal and stimulated calcitonin levels were found to be normal in 89% of the patients without lymph node involvement and in 30% of the patients with lymph node metastases (P = .005). CONCLUSIONS: Screening for MTC and primary treatment with total thyroidectomy and modified radical neck dissection are essential for biochemical cure of MTC.
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Authors: Henning Dralle; Thomas J Musholt; Jochen Schabram; Thomas Steinmüller; Andreja Frilling; Dietmar Simon; Peter E Goretzki; Bruno Niederle; Christian Scheuba; Thomas Clerici; Michael Hermann; Jochen Kußmann; Kerstin Lorenz; Christoph Nies; Peter Schabram; Arnold Trupka; Andreas Zielke; Wolfram Karges; Markus Luster; Kurt W Schmid; Dirk Vordermark; Hans-Joachim Schmoll; Reinhard Mühlenberg; Otmar Schober; Harald Rimmele; Andreas Machens Journal: Langenbecks Arch Surg Date: 2013-03-03 Impact factor: 3.445