Castleman’s瘤(巨淋巴结增生症)是淋巴组织一罕见的良性肿瘤,多位于纵隔内,腹膜后相对少见。作者报道2例,男、女各1例,年龄49、50岁。1例位于右肾旁,呈实性、边界清伴有小的钙化。另1例位于胰头区,边界欠清,密度较胰腺低,中等强化。2例血管造影均呈多血管且具有丰富和中等量的毛细血管网,分别由第Ⅱ腰动脉和胰十二指肠后上动脉供血。作者指出,Castleman’s为一 Castleman’s tumor (macrophageae hyperplasia) is a rare benign tumor of the lymphoid tissue, mostly in the mediastinum and relatively rare in the retroperitoneum. The author reported 2 cases, 1 male and 1 female, aged 49 and 50 years old. One patient was located next to the right kidney, showing solidity and clear borders with small calcifications. The other case was located in the head of the pancreas, the border was less clear, the density was lower than that of the pancreas, and it was moderately strong. Two cases of angiography showed multiple blood vessels and had a rich and moderate amount of capillary network, which was supplied by the second lumbar artery and the upper pancreaticoduodenal artery. The author pointed out that Castleman’s is a