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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

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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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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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Acute Kidney Injury II: Pathophysiology01:29

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Acute kidney injury (AKI) causes are categorized into three primary categories based on the location of the injury: prerenal, intrarenal (or intrinsic), and postrenal causes. This classification guides clinical management and illustrates how different pathways can impair kidney function.Etiology and Pathophysiology of Acute Kidney Injury1. Prerenal causesEtiology: Prerenal Acute Kidney Injury, the most common type, occurs when reduced blood flow to the kidneys decreases filtration capacity...
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Urinary Tract Calculi III: Medical Management01:30

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The diagnosis of renal calculi involves several imaging techniques, including non-contrast CT scans and ultrasound. These methods help visualize kidney stones, assess their size and location, and detect possible obstructions. Additionally, Measuring urine pH is useful for diagnosing specific stone types, such as struvite (alkaline pH) and uric acid stones (acidic pH). Cystine stones are primarily linked to cystinuria, a genetic condition. A urinalysis helps detect blood in the urine (hematuria)...
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Anatomy of the Genitourinary System II: Bladder and Urethra01:19

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The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
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The human urogenital system, once thought to be sterile in healthy individuals, is now recognized as a complex microbial habitat. Advancements in molecular sequencing techniques have revealed that even in healthy adults, the kidneys and bladder harbor microbial populations similar to those found in the distal urethra, albeit in much lower abundance. These resident microorganisms, while generally innocuous, can become opportunistic pathogens under conditions that alter the urogenital...
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Updated: Mar 21, 2026

Urethroplasty with Pedicled Tunica Vaginalis for the Treatment of Long-segment Anterior Urethral Stricture Caused by Lichen Sclerosus of Glans Penis
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Nontraumatic posterior urethral stenosis.

F Campos-Juanatey1, J A Portillo Martín2, R Gómez Illanes3

  • 1Servicio de Urología, Hospital Universitario Marqués de Valdecilla, Santander, España.

Actas Urologicas Espanolas
|May 3, 2016
PubMed
Summary
This summary is machine-generated.

Posterior urethral strictures after prostate cancer treatment, benign prostatic hyperplasia (BPH) therapies, and neobladder surgery are common. Early endoscopic treatment is key, but complex surgeries may be needed, potentially causing incontinence.

Keywords:
Estenosis de uretra posteriorEstenosis posprostatectomíaPosterior urethral stenosisPostprostatectomy stenosisTratamiento de estenosis no traumáticas de uretra posteriorTreatment of nontraumatic posterior urethral stenosis

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Area of Science:

  • Urology
  • Surgical Oncology
  • Reconstructive Urology

Background:

  • Posterior urethral strictures and contractures are significant complications following treatments for benign prostatic hyperplasia (BPH), prostate cancer (PCa), and orthotopic neobladder creation.
  • These conditions negatively impact patient prognosis and functional outcomes, highlighting a critical area of concern in urological care.

Purpose of the Study:

  • To comprehensively review and identify factors influencing the etiology, prevention, and treatment of non-traumatic posterior urethral strictures and contractures.
  • The study aims to consolidate current knowledge to improve management strategies for these challenging post-procedural complications.

Main Methods:

  • A systematic review of published evidence was conducted using the PubMed database.
  • Included studies encompassed English and Spanish literature, featuring cohort studies, case series, prospective/retrospective studies, and review articles focusing on PCa treatment, BPH therapies, and neobladder formation.

Main Results:

  • Non-traumatic posterior urethral strictures and contractures are prevalent, contributing to substantial patient morbidity and diminished voiding quality.
  • Preventative measures include meticulous surgical and radiotherapeutic techniques. Initial management often involves endoscopic therapies, with complex urethroplasties frequently necessary for definitive treatment.
  • Urinary incontinence is a significant sequela, potentially requiring interventions such as artificial sphincters.

Conclusions:

  • Non-traumatic posterior urethral strictures represent critical complications that can jeopardize the success of initial treatments.
  • Management may necessitate intricate surgical interventions, with a notable risk of subsequent urinary incontinence, underscoring the need for specialized care and follow-up.