Related Experiment Video
Updated: Jul 18, 2025

Unilateral Ureteral Obstruction Model for Investigating Kidney Interstitial Fibrosis
Published on: April 25, 2025
Jackstone in the renal calyx: A rare case report
Hai-Feng Song1, Lei Liang1, Yu-Bao Liu1
1Department of Urology, Beijing Tsinghua Changgung Hospital, School of Clinical Medicine, Tsinghua University, Beijing 102218, China.
This study reports the first case of a jackstone calculus found in a renal calyx, not the bladder. This rare urinary tract stone, resembling toy jacks, highlights the need for further research into its formation mechanisms.
Area of Science:
- Urology
- Nephrology
- Radiology
Background:
- Jackstones are rare urinary tract calculi with a distinctive jack-like appearance.
- Typically found in the urinary bladder, their occurrence in the renal collecting system is exceptionally rare.
Related Concept Videos
Renal Corpuscle
Glomerulus: Structure and Function
The glomerulus is a tiny, intricate network of capillaries located at the beginning of the nephron. It's enveloped by the Bowman's capsule and receives its blood supply from an afferent arteriole, which divides into numerous...
Renal Tubule and Collecting Duct
Proximal Convoluted Tubule (PCT):
The PCT is the initial segment of the renal tubule, extending from the Bowman's capsule that encloses the glomerulus. Its convoluted structure and microvilli-lined cells increase the surface area for reabsorption. The PCT reabsorbs glucose, amino acids, sodium, and water from the filtrate, ensuring essential...
Acute Kidney Injury IV: Diagnostic Studies and Prevention
Urinary Tract Calculi III: Medical Management
Urinary Tract Calculi I: Introduction
Kidney Structure

