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Related Concept Videos

Urinary Tract Calculi VI: Surgical Management01:25

Urinary Tract Calculi VI: Surgical Management

708
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...
708
Urinary Tract Calculi III: Medical Management01:30

Urinary Tract Calculi III: Medical Management

307
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)...
307
Urinary Tract Calculi V: Nursing Management01:28

Urinary Tract Calculi V: Nursing Management

382
AssessmentSubjective Data: Obtain a detailed health history, including any recent or chronic urinary tract infections, periods of immobilization, previous episodes of renal calculi, and medical conditions such as gout, benign prostatic hyperplasia, or hyperparathyroidism. Review the medication history for drugs that may influence stone formation, including allopurinol, analgesics, loop diuretics, or thiazide diuretics. Document the use of long-term indwelling catheters and any past surgical...
382
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

507
Renal calculi, commonly termed kidney stones, are crystalline solid masses that form in the kidneys but can occur at any point within the urinary system, encompassing the kidneys, ureters, bladder, and urethra.The pathophysiology of renal stones involves several key factors: supersaturation of the urine with stone-forming constituents, changes in urine pH, a decrease in urine volume, and the presence of substances that promote or inhibit stone formation.Supersaturation of Urine: This is the...
507
Urinary Tract Calculi I: Introduction01:28

Urinary Tract Calculi I: Introduction

642
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...
642
Urinary Tract Calculi IV: Nutrition Therapy and Prevention01:27

Urinary Tract Calculi IV: Nutrition Therapy and Prevention

500
Management of renal calculi focuses on effective strategies like tailored nutrition and hydration therapy. Adjusting diet and fluid intake reduces stone formation and recurrence, making these interventions simple yet powerful in kidney stone prevention and management.Understanding Kidney StonesKidney stones form when calcium, oxalate, uric acid, and cystine concentrate and crystallize in urine. Factors contributing to their formation include genetic predisposition, certain medical conditions,...
500

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Related Experiment Video

Updated: Mar 7, 2026

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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[Large urethral stones: a case report].

O V Teodorovich1,2, A V Krasnov1, M N Shatokhin1,2

  • 1Research Clinical Center of JSC Russian Railways.

Urologiia (Moscow, Russia : 1999)
|March 2, 2017
PubMed
Summary
This summary is machine-generated.

A 68-year-old patient experienced large penile urethral stones successfully treated with a three-stage surgical approach. This method restored normal urination, demonstrating an effective treatment for complex urethral calculi.

Keywords:
chronic urinary retentionischuriaurethral stonesurethral stricture

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Area of Science:

  • Urology
  • Surgical Innovation
  • Medical Case Study

Background:

  • Large urethral stones, particularly in the penile urethra, present significant clinical challenges.
  • Existing treatment options may be limited for calculi of substantial size (e.g., 5 cm).
  • Complex cases necessitate tailored, multi-stage interventions for successful outcomes.

Purpose of the Study:

  • To present a clinical observation of a patient with extensive penile urethral stones.
  • To detail a successful three-stage surgical treatment protocol for large urethral calculi.
  • To highlight the restoration of normal urinary function post-intervention.

Main Methods:

  • Stage 1: Urinary bladder drainage via cystostomy.
  • Stage 2: Urethrotomy for stone removal and creation of a double-barreled fistula.
  • Stage 3: Anastomotic urethroplasty to reconstruct the urethra.

Main Results:

  • The three-stage surgical approach effectively addressed the 5 cm penile urethral stones.
  • Successful removal of calculi and reconstruction of the urethra were achieved.
  • Normal urination was restored after the removal of the cystostomy drainage tube.

Conclusions:

  • A staged surgical strategy, including urethrotomy and urethroplasty, is effective for managing large penile urethral stones.
  • This case demonstrates the feasibility and success of complex reconstructive surgery for severe urethral lithiasis.
  • Restoration of normal voiding function is achievable even with extensive urethral stone burden.