Langenbecks Arch Surg
November 2021
Introduction: Paragangliomas are infrequent neuroendocrine tumours whose only criterion for malignancy is presence of metastases; thus, all paragangliomas show malignant potential. Actually, different risk factors have been analyzed to predict metastases but they remain unclear.
Purpose: To analyze clinical, histological, and genetic factors to predict the occurrence of metastasis.