Pyelitis, cystitisTags: Urinary tract sonography, GE Logiq E, Clinical report, Pediatric Posts 12:03 01-12-2023 Pyelitis, cystitis#1 A 1 month old child undergoes routine screening. Ultrasound of the kidneys shows thickening of the renal pelvis wall on the right (pyelitis). The bladder is almost empty, the bladder wall is thickened to 7 mm (differential diagnosis: cystitis, etc.)