Related Experiment Video

Updated: Jul 11, 2026

An Immature Murine Model of Reversible Unilateral Ureteral Obstruction
06:37

An Immature Murine Model of Reversible Unilateral Ureteral Obstruction

Published on: April 4, 2025

Ureteral obstruction caused by mucocele of the appendix: MDCT findings

J Lee1, H K Lim, S J Lee

  • 1Department of Radiology and Center for Imaging Science, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Australasian Radiology
|November 2, 2007
PubMed

Insights

Appendiceal mucocele, an abnormal accumulation of mucus in the appendix, rarely causes ureteral obstruction. This case highlights a rare instance of right hydronephroureterosis secondary to appendiceal mucocele, diagnosed via CT scan.

Area of Science:

  • Urology
  • Gastroenterology
  • Radiology

Background:

  • Mucocele of the appendix involves abnormal mucus accumulation, distending the appendiceal lumen.
  • Complications of appendiceal mucocele are typically intra-abdominal, with ureteral obstruction being exceptionally rare.

Observation:

  • A case presented with right hydronephroureterosis, indicating blockage of the right ureter and kidney.
  • The condition was diagnosed using multidetector-row computed tomography (MDCT).

Findings:

  • The appendiceal mucocele was identified as the cause of the right hydronephroureterosis.
  • This represents a rare presentation of appendiceal mucocele leading to urinary tract obstruction.

Implications:

  • Highlights the importance of considering gastrointestinal causes for urinary tract abnormalities.
  • Emphasizes the diagnostic utility of MDCT in identifying rare causes of ureteral obstruction.
  • Contributes to the limited English literature on appendiceal mucocele causing ureteral issues.

More Related Videos

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition03:19

Point-of-Care Kidney and Genitourinary Ultrasound in Adults: Image Acquisition

Published on: June 21, 2024

Related Concept Videos

Appendicitis01:19

Appendicitis

Appendicitis is an acute inflammatory condition of the vermiform appendix, most commonly caused by obstruction of its lumen. The appendix is a narrow, blind-ended pouch that extends from the cecum, making it particularly prone to obstruction. Causes include fecaliths, lymphoid hyperplasia (often after viral infections), parasites, tumors, or foreign bodies. This obstruction initiates a cascade of pathological changes.Luminal Obstruction and Early InflammationAfter obstruction, normal mucosal...
Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

The appendix, a small, narrow, blind tube extending from the inferior part of the cecum, is widely regarded as a vestigial organ, having lost much of its original function through evolution. Despite its diminished role, the appendix can become inflamed, a condition known as appendicitis.
Etiology: Appendicitis can arise from various causes, primarily rooted in the obstruction of the appendix lumen. Factors contributing to this obstruction include fecal accumulation, lymphoid hyperplasia and, in...
Imaging Studies VI: Voiding Cystourethrography and Cystography01:22

Imaging Studies VI: Voiding Cystourethrography and Cystography

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...
Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

Diagnosing and managing appendicitis requires a structured and comprehensive approach that spans from initial assessment to postoperative care. Here is an overview of the process:
Diagnosing Appendicitis
It requires a multifaceted approach, starting with a detailed physical examination to pinpoint the location and nature of the pain and identify any associated symptoms. Laboratory tests play a crucial role. A complete Blood Count (CBC) typically reveals leukocytosis (an increased number of...
Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations01:26

Urinary Tract Calculi II: Pathophysiology and Clinical Manifestations

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...
Urologic Endoscopic Procedure: Cystoscopic Examination01:28

Urologic Endoscopic Procedure: Cystoscopic Examination

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...