Parto Teb Azma

History (HX): Reported left hydronephrosis on ultrasound exam
Findings:
Pressure effect upon pelvicalyceal system, no hydronephrosis
Diagnose (DX): Parapelvic cyst
Discussion:
Sonography with show multiple echo free areas in the region of the renal sinus. Differentiation from hydronephrosis may be difficult and renal sinus cysts are one of the most common causes of a false positive diagnosis of hydronephrosis on ultrasound . On contrast enhanced scans and on IVP nondilated pelvis with be stretched and compressed by and curve between renal sinus cysts.
DD: Renal sinus lipomatosis , lymphoma, hemorrhage and urinoma