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Horm Metab Res 2024; 56(06): 429-434
DOI: 10.1055/a-2172-9263
Original Article: Endocrine Care

Axillary Node Metastases of Medullary Thyroid Cancer: A Hallmark of Terminal Disease

Andreas Machens 
1   Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University of Halle-Wittenberg Faculty of Medicine, Halle, Germany
,
Kerstin Lorenz 
1   Department of Visceral, Vascular and Endocrine Surgery, Martin Luther University of Halle-Wittenberg Faculty of Medicine, Halle, Germany
,
Frank Weber
2   Department of General, Visceral and Transplantation Surgery, Division of Endocrine Surgery, University of Duisburg-Essen, Faculty of Medicine, Essen, Germany
,
Henning Dralle
2   Department of General, Visceral and Transplantation Surgery, Division of Endocrine Surgery, University of Duisburg-Essen, Faculty of Medicine, Essen, Germany
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Abstract

Little is known about axillary node metastasis of medullary thyroid cancer (MTC). To address this, a comparative study of patients with and without axillary node metastases of MTC was conducted. Among 1215 consecutive patients with MTC, 482 patients had node-negative MTC and 733 patients node-positive MTC. Among the 733 patients with node-positive MTC, 4 patients (0.5%) had axillary node metastases, all of which were ipsilateral. Patients with axillary node metastases had 5.7–6.9-fold more node metastases removed, both at the authors’ institution (medians of 34.5 vs. 5 metastases; p=0.011) and in total (medians of 57 vs. 10 metastases; p=0.013), developed more frequently distant metastases (3 of 4 vs. 178 of 729 patients, or 75 vs. 24%; p=0.049), specifically to bone (2 of 4 vs. 67 of 729 patients, or 50 vs. 9%; p=0.046) and brain (1 of 4 vs. 4 of 729 patients, or 25 vs. 0.5%; p=0.027), and more often succumbed to cancer-specific death (3 of 4 vs. 52 of 729 patients, or 75 vs. 14%; p=0.005). Altogether, patients with axillary node metastases revealed 4–8-fold more node metastases in the ipsilateral lateral neck (medians of 11 vs. 3 metastases; p=0.021) and in the ipsilateral central neck (medians of 8 vs. 1 metastases; p=0.079) patients without axillary node metastases. Cancer-specific survival of patients with vs. patients without axillary node metastases of MTC was significantly shorter (means of 41 vs. 224 months; plog-rank<0.001). These findings show that patients with axillary node metastases of MTC have massive metastatic dissemination with poor survival.

Key words

medullary thyroid carcinoma - distant metastasis - neck node metastases - mediastinal node metastases - axillary node metastases


Publication History

Received: 17 August 2023

Accepted after revision: 09 September 2023

Accepted Manuscript online:
09 September 2023

Article published online:
09 October 2023

© 2023. Thieme. All rights reserved.

Georg Thieme Verlag KG
Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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