A case of retroperitoneal fibrosis responding to steroid therapy

ABSTRACT A 69-year-old man presented at the hospital with complaints of prolonged stomach pain extending from the week prior. Enhanced computed tomography (CT) revealed a low density area in the retroperitoneal space. A radiologist diagnosed the patient with retroperitoneal fibrosis. One week later, an enhanced CT revealed an exponential increase of the low density area and slight right hydronephrosis. Upon admission, prednisolone administration was initiated at a dose of 40mg/day. The size of the retroperitoneal soft tissue mass decreased gradually. Although the dose of prednisolone was tapered to 5mg, the patient is doing well without any sign of recurrence.

摘要 一名69岁男性因持续性胃痛就诊于本院，该症状始于一周前。增强计算机断层扫描（computed tomography, CT）显示其腹膜后间隙存在低密度病灶。放射科医师诊断为腹膜后纤维化。一周后复查增强CT，可见低密度灶呈指数级增大，并伴轻度右侧肾盂积水。患者入院后予泼尼松龙40mg/日起始治疗，腹膜后软组织肿块体积逐渐缩小。虽将泼尼松龙剂量递减至5mg，但患者病情平稳，未出现任何复发迹象。