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Imaging Studies I: Kidney, Ureter, and Bladder Studies01:28

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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...
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One of the common DNA damages is the chemical alteration of single bases by alkylation, oxidation, or deamination. The altered bases cause mispairing and strand breakage during replication. This type of damage causes minimal change to the DNA double helix structure and can be repaired by the base excision repair (BER) pathways. BER corrects damaged DNA sequences by removing the damaged base and restoring the original base sequence using the complementary strand as a template.
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DNA Distortion and Damage
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The urinary bladder is a hollow, muscular sac that temporarily stores urine before it is expelled from the body. It can hold approximately 600 mL of urine prior to micturition. The bladder is retroperitoneal and located behind the pubic symphysis in the pelvic floor.
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Single-Port Robotic Retroperitoneal Nephroureterectomy with Bladder Cuff Excision: Comparative Cohort Study with

Seokhwan Bang1, Dongho Shin1, Yong Hyun Park1

  • 1Department of Urology, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea.

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Summary
This summary is machine-generated.

Single-port (SP) robotic nephroureterectomy (NUx) is feasible and reduces operative time compared to multi-port (MP) NUx. This minimally invasive approach shows comparable safety and efficacy for urothelial carcinoma treatment.

Keywords:
UTUCnephroureterectomyretroperitonealsingle-port robot

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Area of Science:

  • Urology
  • Surgical Oncology
  • Robotic Surgery

Background:

  • Urothelial carcinoma necessitates nephroureterectomy (NUx) with bladder cuff excision.
  • Minimally invasive approaches are preferred for improved patient outcomes.

Purpose of the Study:

  • To evaluate the efficacy and safety of single-port (SP) robotic nephroureterectomy (NUx) with bladder cuff excision.
  • To compare SP robotic NUx with the traditional multi-port (MP) robotic approach.

Main Methods:

  • Retrospective review of 105 patients with urothelial carcinoma undergoing robot-assisted laparoscopic NUx.
  • Comparison of surgical outcomes between 52 patients who underwent MP NUx and 53 patients who underwent SP NUx.

Main Results:

  • No significant differences in patient characteristics, console time, or renal function loss.
  • SP robotic NUx demonstrated a statistically significant reduction in total operative time (average 45 minutes shorter).
  • SP robotic NUx resulted in significantly lower estimated blood loss compared to MP robotic NUx.

Conclusions:

  • Single-port robotic nephroureterectomy with bladder cuffing is a feasible alternative to the multi-port approach.
  • The SP approach offers advantages in reducing operative time due to improved access for bladder cuff excision.