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Related Concept Videos

Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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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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Kidney Transplant II: Surgical Procedure01:26

Kidney Transplant II: Surgical Procedure

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Preoperative ManagementThe primary goals of preoperative management in kidney transplantation are to optimize the patient’s metabolic state and prepare them for surgery through diet adjustments, necessary dialysis, and tailored medical treatment. This phase also involves comprehensive infection screening and patient education about the surgical procedure and postoperative care to improve outcomes and adherence.Medical ManagementA comprehensive evaluation is required for both the living...
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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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Anatomy of the Genitourinary System I: Kidneys and Ureters01:11

Anatomy of the Genitourinary System I: Kidneys and Ureters

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The upper urinary system comprises two kidneys and two ureters, which are crucial in filtering blood and forming urine.KidneysLocation and Structure:The kidneys are two bean-shaped organs positioned behind the peritoneum on either side of the spine.Kidneys are between the 12th thoracic (T12) and the 3rd lumbar (L3) vertebrae.The position of the liver causes the right kidney to sit slightly lower than the left.Protective Layers:Each kidney is enveloped in a tough, fibrous membrane called the...
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Ureters01:22

Ureters

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The ureters are retroperitoneal tubes located on either side of the vertebral column. They are responsible for transporting urine from each kidney to the urinary bladder. These tubes have thick walls and are approximately 25-30 cm long. Their diameter is around 10 mm at the renal pelvis, gradually narrowing to 1 mm as the ureter obliquely enters the posterior bladder wall through the ureteric orifices. The shape of these orifices is slit-like, which helps to prevent urine backflow toward the...
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Anastomoses01:19

Anastomoses

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In human anatomy, anastomosis refers to a connection or opening between two things, particularly between blood vessels or other tubular structures. The term is derived from the Greek term 'anastomosis,' which means 'outlet' or 'opening.' This natural network of connections plays a critical role in the survival and functionality of the human body.
Anastomoses can be formed at arterial, venous, and lymphatic vessels.
Arterial Anastomosis: These occur between arteries. They...
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Related Experiment Video

Updated: Mar 11, 2026

Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma
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Technical Modification of the Terminal Ureter During Total Transperitoneal Laparoscopic Nephroureterectomy for Upper Urinary Tract Urothelial Carcinoma

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Experience with ureterocalyceal anastomosis

C Selli, M Carini, D Turini

    Urology
    |July 1, 1982
    PubMed
    Summary

    Ureterocalyceal anastomosis effectively reconstructs the urinary tract in complex cases, including those with scarring and malignancy. This surgical technique offers a viable solution for challenging renal pelvis and ureteral strictures.

    Area of Science:

    • Urology
    • Surgical Reconstruction
    • Nephrology

    Background:

    • Ureterocalyceal anastomosis is a reconstructive surgical technique addressing complex ureteral and renal pelvis pathologies.
    • Indications include severe scleroatrophic scarring post-lithiasis surgery, failed pyeloplasty, tuberculous strictures, pelvic urothelial carcinoma, and ureteropelvic junction obstruction with renal malformation.

    Observation:

    • The study reports on 10 cases of ureterocalyceal anastomosis.
    • Three patients presented with a solitary kidney, highlighting the critical nature of successful reconstruction.
    • Surgical approaches included end-to-end (5 cases), laterolateral (1 case), and ureteropyelocalyceal anastomosis (4 cases).

    Findings:

    • The study demonstrates the application of ureterocalyceal anastomosis in diverse and challenging urological conditions.

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  • Omentoplasty was utilized in 3 cases, suggesting its role in enhancing graft viability or preventing complications.
  • The variety of indications underscores the versatility of this reconstructive method.

    • Implications:

    • Ureterocalyceal anastomosis provides a valuable surgical option for complex upper urinary tract reconstructions, particularly in compromised renal units.
    • Further research could explore long-term outcomes and refine surgical techniques for specific indications.
    • This approach may improve renal function preservation in patients with otherwise untreatable ureteral and pelvic strictures.