Related Experiment Video
Updated: Feb 19, 2026
05:19
Magnetic Resonance Imaging Assessment of Carcinogen-induced Murine Bladder Tumors
Published on: March 29, 2019
11.0K
Lower tract neoplasm: Update of imaging evaluation.
Robert Hartman1, Akira Kawashima2
1Department of Radiology, Mayo Clinic, Rochester, MN, USA.
European Journal of Radiology
|November 6, 2017
Summary
Lower urinary tract cancers, including bladder, urachus, and urethra tumors, often present with hematuria. Diagnosis and staging rely on advanced imaging like CT urography and MR urography.
Area of Science:
- Urology
- Medical Imaging
- Oncology
Background:
- Lower urinary tract cancers originate from the bladder, urachus, or urethra.
- Urothelial carcinoma of the bladder (UCB) is the most prevalent among these malignancies.
- Hematuria frequently serves as an initial symptom for bladder, urachal, and urethral cancers.
Purpose of the Study:
- To review the specific characteristics of lower urinary tract cancers.
- To discuss the role of radiologic imaging in diagnosing and staging these cancers.
Main Methods:
- Review of literature on lower urinary tract cancers.
- Discussion of diagnostic and staging imaging modalities.
- Focus on cross-section CT urography and MR urography.
Main Results:
- Lower urinary tract cancers share common initial presentations, such as hematuria.
- Imaging techniques are crucial for accurate diagnosis and staging.
- CT urography and MR urography are key radiologic tools.
Conclusions:
- Understanding the specific nature of lower urinary tract cancers is essential.
- Radiologic imaging plays a vital role in the management of these conditions.
- Effective diagnosis and staging facilitate appropriate treatment strategies.
Related Concept Videos
01:27Imaging Studies III: Computed Tomography
429
DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
429
01:27Imaging Studies IV: Magnetic Resonance Imaging
300
Introduction:Magnetic Resonance Imaging, or MRI, can include a specialized imaging technique of the urinary system known as Magnetic Resonance Urography (MRU). This radiation-free technique uses strong magnetic fields and radio waves to produce detailed images with the help of a computer. MRU is particularly effective for visualizing fluid-filled structures like the kidneys, ureters, and bladder.Applications of MRI in the Genitourinary SystemKidneys and Ureters: MRI detects tumors, cysts,...
300
01:22Imaging Studies V: Intravenous Urography and Retrograde Pyelography
1.8K
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...
1.8K
01:28Imaging Studies I: Kidney, Ureter, and Bladder Studies
403
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...
403
01:24Imaging Studies II: Ultrasonography
540
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...
540
01:22Imaging Studies VI: Voiding Cystourethrography and Cystography
2.3K
Voiding Cystourethrography (VCUG) and Cystography are specialized radiographic procedures used to examine the structure and function of the bladder and urethra.Voiding Cystourethrography (VCUG)A Voiding Cystourethrogram (VCUG) is a diagnostic imaging procedure that assesses the anatomy and function of the lower urinary tract. It focuses on the bladder, bladder neck, and urethra, helping detect abnormalities such as vesicoureteral reflux (VUR)—the backward or reverse flow of urine into the...
2.3K