On the cover: Workflow overview for segmentation of kidneys in abdominal CT scans. Top Panel: Complete abdominal CT scan is imported into image analysis software and a sub-region that includes both kidneys (red dotted line) is extracted; Second Panel: Axial and Third Panel: Coronal views of kidney cortex are semi-automatically filled in based on user input and intensity thresholds; Fourth Panel: Example of a full segmentation of left cortex (red), left medulla (green), right cortex (blue) and right medulla (yellow). Three-dimensional representation of fully segmented Fifth Panel: Medulla and Bottom Panel: Cortex in both kidneys.

Reference: K Panagiotis, Denic A, Edwards ME, Gregory AV, Wright DE, Mullan A, et al.: Automated Segmentation of Kidney Cortex and Medulla in CT Images: A Multisite Evaluation Study. J Am Soc Nephrol 33: 420–430, 2022.

Postmaster: Send changes of address to Customer Service, JASN Journal of the American Society of Nephrology, 1401 H Street, NW, Suite 900, Washington, DC 20005. JASN Journal of the American Society of Nephrology, ISSN 1046-6673 (Online: 1533-3450), is the official journal of the American Society of Nephrology and is published monthly by the American Society of Nephrology. Periodicals postage paid at Washington, DC, and at additional mailing offices.

Subscription rates: domestic individual $614; international individual, $614; domestic institutional, $2148; international institutional, $2303; single copy, $75. Subscription prices subject to change. Annual dues include $33 for journal subscription. To order, call 202-557-8360. Canadian GST is 895524239.

Publications Mail Agreement No. 41205019 Return Undeliverable Canadian Addresses to PO Box 503, RPO West Beaver Creek, Richmond Hill, ON L4B 4R6, Canada.

Copyright © 2022 by the American Society of Nephrology.