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Malignant Paraganglioma
Definition 1
A paraganglioma that metastasizes to regional or distant anatomic sites. Extraadrenal paragangliomas have a higher tendency to metastasize, as compared to pheochromocytomas. Common sites of metastasis include the lymph nodes, lungs, bones, and liver. (NCI Thesaurus)
Definition 2
A malignant neoplasm arising from paraganglia located along nerves composed of neoplastic neuroectodermal chromaffin cells. (NCI Thesaurus/CDISC)
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