腹膜后非嗜铬性副节瘤（又称腹膜后化学感受器瘤）罕见。我院收治１例，经手术及病理证实，报告如下。患者，男，４４岁。右上腹肿物逐渐增大１年，伴上腹闷胀，返酸。既往有慢性胃炎史２０年。查体：右上腹触及一５．５ｃｍ×５ｃｍ包块，活动度差，与周围组织分界不清。... Retroperitoneal non-chromatid paraganglioma (also known as retroperitoneal chemoreceptor tumor) is rare. In our hospital, 1 case was confirmed by surgery and pathology. The report is as follows. Patient, male, 44 years old. The tumor in the right upper abdomen gradually increased for 1 year, accompanied by abdominal swelling and acid reflux. There is a history of chronic gastritis in the past 20 years. Examination: The right upper quadrant touched a 5.5cm x 5cm mass, with poor activity and unclear boundaries with the surrounding tissue. ...