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Urologic Endoscopic Procedure: Cystoscopic Examination01:28

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Meaning of Cystoscopic Examination:Cystoscopy is an essential diagnostic tool in urology that is used to assess the structure and function of the genitourinary system. It provides a direct view of the urethra, bladder, and, in some cases, the ureteral openings. This procedure helps detect structural abnormalities, infections, cancers, and blockages in the urinary tract. There are two types of cystoscopy:Flexible cystoscopy is commonly performed in outpatient settings due to its less invasive...
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Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

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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...
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Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

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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...
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Urinary Tract Calculi VI: Surgical Management01:25

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Procedures for Kidney StonesMedical intervention is necessary when kidney stones or renal calculi are too large to pass spontaneously (typically greater than 5 millimeters) when stones are accompanied by symptomatic infection (such as fever or pyelonephritis), when they impair kidney function, or when they cause persistent symptoms like severe pain, nausea, or urinary retention. Additionally, patients with only one kidney or those who cannot be treated with medical management also require...
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Uroflowmetry is a non-invasive urodynamic test designed to measure various aspects of urination, including volume, flow rate, and the time to void. This test is crucial for diagnosing and assessing conditions such as bladder outlet obstruction, bladder dysfunction, incomplete bladder emptying, incontinence, and urinary tract blockages caused by benign prostatic hyperplasia (BPH) and urethral strictures.Pre-Test Instructions:Before a uroflowmetry test, patients are typically advised to drink...
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Urinary Tract Calculi I: Introduction01:28

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Renal calculi, or kidney stones, are solid deposits of minerals and salts formed inside the kidneys. In medical terminology, "calculus" refers to the stone itself, while "lithiasis" describes the process of stone formation. Depending on their location within the urinary system, these stones may be classified as either urolithiasis, when situated within the urinary tract, or nephrolithiasis, when located within the kidneys. Each term signifies the specific impact of the stone.Predisposition...
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Smooth muscle tumours of the uterus: MR imaging malignant predictive features-a 12-year analysis in a referral hospital in Portugal.

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In Vivo Luminal Measurement of Distension-Evoked Urothelial ATP Release in Rodents
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Urethrocystography: a guide for urological surgery?

Patrícia S Freitas1, Ana S Alves1, Paulo S Correia1

  • 1Department of Radiology, Centro Hospitalar Universitário de Lisboa Central, Lisbon, Portugal.

Diagnostic and Interventional Radiology (Ankara, Turkey)
|March 24, 2023
PubMed
Summary

Urethrocystography is vital for diagnosing urethral strictures, guiding surgical planning. Accurate interpretation by radiologists is crucial for successful urethroplasty outcomes in patients.

Keywords:
Male urethraradiology,surgeryurethral stenosisurethrocystographyurology

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Area of Science:

  • Radiology
  • Urology
  • Medical Imaging

Background:

  • Urethrocystography is the gold standard for diagnosing urethral pathology.
  • Urethral strictures are common, significantly impacting quality of life.
  • Accurate diagnosis is essential for effective surgical planning.

Purpose of the Study:

  • To highlight the radiologist's crucial role in urethral pathology diagnosis and treatment decisions.
  • To review male urethral anatomy and imaging modalities.
  • To discuss indications, etiologies, and surgical options for urethral strictures.

Main Methods:

  • Review of radiological anatomy of the male urethra.
  • Discussion of retrograde urethrography and voiding cystourethrography.
  • Examination of urethral stricture etiologies and imaging appearances.

Main Results:

  • Urethrocystography accurately locates, assesses extent, and excludes multifocality of strictures.
  • Radiologist interpretation influences urologic therapeutic decisions.
  • Urethroplasty shows better success rates when guided by precise imaging.

Conclusions:

  • The radiologist's role in urethrocystography is critical for successful urethroplasty.
  • Comprehensive understanding of urethral imaging aids in managing strictures and other pathologies.
  • This imaging modality is indispensable for planning and executing urethral reconstructions.