Related Experiment Video

Updated: Aug 12, 2026

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection
06:05

Assessing Urinary Tract Junction Obstruction Defects by Methylene Blue Dye Injection

Published on: October 12, 2017

Intrarenal duplication

J R MacKenzie1, A F Azmy

  • 1Department of Paediatric Radiology, Royal Hospital for Sick Children, Glasgow.

British Journal of Urology
|February 1, 1989
PubMed

Insights

Intrarenal duplication, a rare kidney anomaly, was identified in six children during urinary tract infection investigations. This report details the anomaly and its embryological origins.

Area of Science:

  • Pediatric Urology
  • Medical Imaging
  • Embryology

Background:

  • Urinary tract infections (UTIs) are common in children.
  • Renal anomalies can predispose individuals to UTIs.
  • Intrarenal duplication is a seldom-reported congenital abnormality.

Purpose of the Study:

  • To describe the occurrence of intrarenal duplication in pediatric patients.
  • To elucidate the embryological basis of this renal anomaly.
  • To highlight the association between intrarenal duplication and UTIs.

Main Methods:

  • Case series review of 6 pediatric patients.
  • Diagnostic imaging (e.g., ultrasound, CT) for anomaly detection.
  • Embryological literature review for basis of duplication.

Main Results:

  • Intrarenal duplication was identified in 6 children during UTI workup.
  • The anomaly was observed incidentally in the context of infection investigation.
  • Specific embryological mechanisms for intrarenal duplication were discussed.

Conclusions:

  • Intrarenal duplication can be an incidental finding during UTI evaluation in children.
  • Understanding the embryological basis is crucial for diagnosing renal anomalies.
  • Further research may clarify the clinical significance and management of intrarenal duplication.

More Related Videos

Microdissection of Primary Renal Tissue Segments and Incorporation with Novel Scaffold-free Construct Technology09:00

Microdissection of Primary Renal Tissue Segments and Incorporation with Novel Scaffold-free Construct Technology

Published on: March 27, 2018

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition03:19

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Related Concept Videos

Kidney Structure01:45

Kidney Structure

The kidneys are two large bean-shaped organs located in the upper abdomen. They filter the blood several times a day to remove toxins and rebalance water and electrolytes of the circulatory system via the renal veins. The kidneys receive blood directly from the heart via the renal arteries. These arteries enter the kidney at the hilum, the concave surface of the bean, where they branch and divide into smaller vessels and capillaries.
Internal Anatomy of the Kidney01:12

Internal Anatomy of the Kidney

The kidneys are essential organs in the human body, performing a myriad of tasks that maintain homeostasis and overall health.
Anatomical Position and Dimensions
The kidneys are retroperitoneal organs positioned against the posterior abdominal wall on either side of the spine, roughly between the twelfth thoracic and third lumbar vertebrae. Each kidney is typically 10-12 cm long, 5-6 cm wide, and 3-4 cm thick, weighing about 150 grams.
Renal Cortex
The outermost region of the kidney is the...
Nephrons01:10

Nephrons

The kidneys are intricate organs with millions of working units known as nephrons. Each nephron features two major structures: the renal corpuscle, which facilitates blood plasma filtration, and the renal tubule, which handles the glomerular filtrate. Blood supply is directly linked to the nephrons. The renal corpuscle consists of the glomerulus, a capillary network, and the Bowman's capsule, a double-walled epithelial structure that encases the glomerulus. The filtering of blood plasma happens...
Renal Corpuscle01:20

Renal Corpuscle

The glomerulus and Bowman's capsule are two essential components of the nephron, which is the functional unit of the kidney. These microscopic structures play a critical role in the process of blood filtration to produce urine.
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 capillaries...
Renal Tubule and Collecting Duct01:24

Renal Tubule and Collecting Duct

The renal tubule is divided into three parts: the proximal convoluted tubule (PCT), the Loop of Henle (LOH), and the distal convoluted tubule (DCT).
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...
Anatomy of the Genitourinary System I: Kidneys and Ureters01:11

Anatomy of the Genitourinary System I: Kidneys and Ureters

The upper urinary system comprises two kidneys and two ureters, which are crucial in filtering blood and forming urine.KidneysLocation and Structure:The kidneys are two bean-shaped organs positioned behind the peritoneum on either side of the spine.Kidneys are between the 12th thoracic (T12) and the 3rd lumbar (L3) vertebrae.The position of the liver causes the right kidney to sit slightly lower than the left.Protective Layers:Each kidney is enveloped in a tough, fibrous membrane called the...