混合性副神经节瘤-节细胞神经瘤(composite paraganglioma-ganglioneuroma,CPG)是副神经节瘤与节细胞神经瘤混合的肿瘤,非常罕见。大约90%的肿瘤发生于肾上腺,少数发生于腹膜后。膀胱等处[1]。本组2例均发生于腹膜后,本文通过对其临床及病理组织学特点进行分析,以期提高对该肿瘤的认识。1材料与方法1.1临床资料例1女性,78岁。无明显诱因出 Hybrid paraganglioma, a complex tumor of paraganglioma-ganglioneuroma (CPG), is a rare combination of paraganglioma and ganglioneuroma. Approximately 90% of tumors occur in the adrenal gland and a few occur in the retroperitoneum. Bladder and other places [1]. The two cases occurred in the retroperitoneal, this paper by analyzing its clinical and histopathological features, with a view to raising awareness of the tumor. 1 Materials and Methods 1.1 Clinical data example 1 female, 78 years old. No obvious incentive to go out