Point of care renal ultrasonography for the busy nephrologist: A pictorial review

Figure 11 Longitudinal and transverse gray-scale renal ultrasound images demonstrating anechoic region in the mid-kidney suggestive of mild hydronephrosis in the top panel. Doppler images demonstrating prominent arteriovenous flow suggestive of vascular malformation are shown in the bottom panel. Adapted from reference No. 29, first author’s previous work, published under CC BY-NC 4.0 license.