Objective:To explore the diagnosis and treatment of extra-adrenal pheochromocytoma.
目的：探讨肾上腺外嗜铬细胞瘤的诊治特点。
2
Objetive to analyze the clinical features of extra-adrenal pheochromocytoma, evaluate the factors associate with intraoperative blood pressure fluctuation.
目的提高对肾上腺外嗜铬细胞瘤的认识，探讨肾上腺外嗜铬细胞瘤患者术中血压波动的影响因素。
3
Objective. To discuss the spinal presentation and treatment of paraganglioma, a rare tumor of the extra-adrenal paraganglia, derived from neural crest cells in sympathetic ganglions.