Female patient 15 yo with pain at lumbar region.
Ultrasound and CT detected perirenalcystic collection, kidney deplacement no stone no hydronephrosis. CT urology with CE: no leaking of contrast to fluid, but urologist suspected urinoma ( CT 1, CT 2, crossed section , CT3 frontal section, CT 4 2 kidneys deplacement, CT 5 urinary system).
Puncture of this fluid analysis is not urine, like lymphatic fluid.
Operation at right kidney with argon laser for ablation of right renal capsule, and the left kidney was removed perirenal capsule.
Ultrasound of 2 kidneys shows normal structure with vascular supply (US 1, US 2, US 3, US 4 ascites).
And MRI after 3 months of operation=The right kid has many perirenal cysts, and left kid has fluid collection arround without hydronephrosis ( MRI 1, MRI 2).
Conclusion: this case is a congenital renal lymphangiomatosis case.