The patient underwent surgery, which confirmed a malignant neck paraganglioma with metastasis to a cervical lymph node. He had no family history of carotid body tumors or pheochromocytoma.

Pheochromocytomas and paragangliomas are rare tumors, but their investigation and management are complex and expensive, both in terms of time and resources. A novel prospective study ...

Inadequate methods to distinguish malignant from benign tumors and ... chromaffin cells in the adrenal medulla -- an intra-adrenal paraganglioma. Closely related tumors of extra-adrenal ...