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原发性良性腹膜后肿瘤相当罕见。我院自１９６４年４月至１９９２年４月，２８年收治原发性良性腹膜后肿瘤９１例。本病的临床特点为：（１）发病率较低，仅占原发性腹膜后肿瘤的２０．０－３１．６％；（２）女性多于男性；（３）病程较长；（４）无症状者较多；（５）病理类型以神经纤维瘤最常见，约占本组的４０％；（６）手术切除率较高、复发率较低。本病解剖部位特殊，发病隐蔽，早期缺乏症状，肿瘤增大后出现的症状也无特异性，除病程较长外，临床上与腹膜后恶性肿瘤鉴别有困难。强调影像学检查，尤其是Ｂ超和ＣＴ对本病的诊断价值。手术是治疗本病的主要方法。我们主张放松剖腹探查指征，并常规作术中冰冻。若为良性肿瘤，也应争取完整切除肿瘤或大部分切除肿瘤，但不应施行危及患者生命的冒险手术。
Primary benign retroperitoneal tumors are rare. In our hospital from April 1964 to April 1992, 91 cases of primary benign retroperitoneal tumors were treated. The clinical features of the disease are: (1) the incidence is low, accounting for only 20.0-31.6% of primary retroperitoneal tumors; (2) more women than men; (3) longer course; (4 ) There were more asymptomatic patients; (5) The most common pathological type was neurofibromatosis, which accounted for about 40% of this group; (6) The rate of resection was higher and the recurrence rate was lower. The anatomy of the disease is special, the incidence is concealed, and the symptoms are lacking in the early stage. The symptoms appearing after the tumor enlargement are also not specific. In addition to a longer course of disease, it is difficult to distinguish clinically from retroperitoneal malignant tumors. Emphasis on imaging examination, especially the B-ultrasound and CT diagnosis of the disease. Surgery is the main method of treating this disease. We advocate relaxation of laparotomy exploratory signs and routine intraoperative frozen. In the case of benign tumors, complete resection of the tumor or most of the resection of the tumor should also be pursued, but no risky operation that endangers the patient’s life should be performed.