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.

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 ...