Table 1 Clinical summary of reported cases
Author | Year | Sex | Age | Radiological features | Treatment |
|---|---|---|---|---|---|
Yoshino et al. [7] | 2012 | 71 | M | CT- Hydronephrosis with soft tissue mass around the ureteropelvic junction | No surgical treatment Corticosteroid |
Wang et al. [6] | 2014 | 54 | F | CT- Hydronephrosis with low-density renal pelvic mass | Nephroureteral cystectomy and retroperitoneal lymph node dissection |
MRI- Isointensity on T1-weigthed image and hypointensity on T2-weigthed image | Steroid therapy for 1 year after surgery | ||||
PET/CT- High glucose metabolism |