A rare case of retroperitoneal paraganglioma-case report and literature review.

Paraganglioma is a rarely type of neuroendocrine neoplasm with the ability of neuropeptide and catecholamine secretion. Hypertension and sympathetic hyperactivity was the most common clinical presentation. And it is still a challenge to determine the biological behavior pathologically. Here, we reported a case of paraganglioma originated from retroperitoneal with the classical clinical presentation. Radical resection was performed successfully and malignant tendency was revealed in pathology. Meanwhile, literature review was conducted in order to figure out the diagnosis and prognosis.