Perioperative serum creatinine, electrolytes, blood gas, and a follow-up excretory urogram, cystogram, and pathological examination were used to assess the surgical outcome.

手术前后的血清肌酸酐、电解质、动脉血气体分析以及追踪时取得肾盂摄影、膀胱摄影、病理检查来评估手术的结果。

Conclusion PEA, a rarely seen disease,is hard to differentiate from synovioma, fibrosarcoma or giant cell tumors, whose diagnosis depends on pathological examination.

结论该病很少见，与滑膜肉瘤、纤维肉瘤及巨细胞瘤很难鉴别，确诊依靠病理检查。