Metastatic intravagal paraganglioma. Case report and review of the literature.

Intravagal paragangliomas are rare tumors of neural crest origin. These tumors are usually benign with few reports of metastases or aggressive behavior. One case of intravagal paraganglioma metastatic to a regional lymph node is described and the diagnosis and management of these tumors are discussed. The reports of 14 other cases with regional or distal metastases are reviewed.