Ultrasound demonstration of prenatal renal vein thrombosis

Abstract
Renal calcification following renal vein thrombosis (RVT) has a virtually diagnostic lace-like radiological pattern. It has been seen as early as the first day of life [1–3], indicating prenatal disease. This case report illustrates the sonographic appearance of such calcifications which to our knowledge has not been described. We observed abnormalities on aprenatal ultrasound at 37 weeks of gestation and calcifications within the kidney on ultrasound during the neonatal period in an infant of a mother with Class B diabetes mellitus.