Related Experiment Video
Updated: Jun 4, 2026
03:19
Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition
Published on: June 21, 2024
[Empty renal fossa--a prenatal diagnostic dilemma]
Akusherstvo I Ginekologiia
|January 28, 2011
Summary
Ultrasound effectively diagnoses empty fetal renal fossa (EFRF) and predicts outcomes. Early detection of EFRF allows for informed decisions and generally leads to favorable perinatal results, especially when isolated.
Area of Science:
- Prenatal diagnosis
- Fetal medicine
- Medical imaging
Background:
- Empty fetal renal fossa (EFRF) is a prenatal sonographic finding requiring careful evaluation.
- Differential diagnoses include renal ectopia and unilateral renal agenesis (URA).
- Accurate prenatal assessment is crucial for prognostic evaluation and management.
Purpose of the Study:
- To evaluate the feasibility of ultrasound for diagnosing empty fetal renal fossa (EFRF).
- To assess the prognostic value of ultrasound in EFRF cases.
- To determine pregnancy outcomes associated with EFRF.
Main Methods:
- Prospective observational longitudinal study of 17 cases with EFRF.
- High-resolution ultrasound for prenatal diagnosis and follow-up.
- Analysis of prognostic factors including gestational age, defect type, urinary tract obstruction, and associated anomalies.
Main Results:
- EFRF was detected prenatally before 24 weeks in 14 out of 17 cases.
- The main diagnoses were ectopic kidney (9 cases) and URA (8 cases).
- 16 out of 17 cases had a favorable perinatal outcome; one case with associated anomalies was terminated.
Conclusions:
- Ultrasound is the primary method for prenatal diagnosis and prognosis of EFRF.
- Early EFRF detection facilitates appropriate counseling and pregnancy management.
- Continuing pregnancies with isolated EFRF typically have good perinatal outcomes.
Related Concept Videos
01:22Imaging Studies V: Intravenous Urography and Retrograde Pyelography
IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...
01:24Imaging Studies II: Ultrasonography
IntroductionUltrasonography, or renal ultrasound, is a noninvasive medical imaging technique that uses high-frequency sound waves to visualize the kidneys, ureters, bladder, and surrounding tissues.Indications for Urinary System UltrasonographyUrinary system ultrasonography is indicated in various clinical scenarios, such as:Kidney Stones (Urolithiasis): To detect and monitor the size and presence of kidney or urinary tract stones.Hydronephrosis: To assess the dilation of the renal pelvis and...
01:21External Anatomy of the Kidney
The kidneys are a pair of bean-shaped organs in the human body that play a critical role in maintaining overall health. They filter out waste products from the blood, regulate blood pressure, maintain electrolyte balance, and stimulate the production of red blood cells.
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...
The kidneys are located in the retroperitoneal space on either side of the vertebral column, protected posteriorly by the 11th and 12th ribs. The right kidney sits slightly lower than the left owing to the presence of the liver...
01:28Imaging Studies I: Kidney, Ureter, and Bladder Studies
Kidney, Ureter, and Bladder (KUB) StudiesKidney, Ureter, and Bladder (KUB) studies are standard diagnostic imaging procedures used to assess the anatomy of the urinary system. They are commonly utilized for patients experiencing abdominal pain or urinary symptoms. By using a simple X-ray of the abdomen, KUB studies can reveal structural and pathological abnormalities within the kidneys, ureters, and bladder. These studies are particularly valuable in diagnosing kidney stones, urinary...
01:20Renal 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...
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...
01:19Imaging Studies VII: Vascular Imaging
DefinitionRenal angiography, also known as renal arteriography, is an imaging technique used to obtain a comprehensive view of blood flow and the vascular structure of blood vessels in the kidneys and surrounding areas.PurposeRenal angiography detects blood vessel abnormalities in the kidneys, such as aneurysms, stenosis, thrombosis, vascular tumors, and renal artery stenosis. It evaluates kidney function and guides interventional treatments like angioplasty or stent placement.Pre-Procedure...