Case report: transitional cell carcinoma in situ within a urethral diverticulum
1John Hunter Hospital, PO Box 648, The Junction, 2291 NSW, Australia. jma14246@bigpond.net.au
International Urogynecology Journal
|June 7, 2012
Summary
This study reports a rare case of high-grade transitional cell carcinoma in situ found in a urethral diverticulum in a female smoker. Diagnostic imaging and urine tests were unhelpful in this unusual presentation.
Area of Science:
- Urology
- Oncology
- Pathology
Background:
- Transitional cell carcinoma in situ (TCCIS) is a rare malignancy.
- Urethral diverticula are congenital or acquired outpouchings of the urethra.
- TCCIS within a urethral diverticulum is exceptionally rare.
Observation:
- A 56-year-old female smoker with a history of diagnostic delay presented with symptoms suggestive of a lower urinary tract issue.
- Physical examination revealed a urethral diverticulum.
- High-grade transitional cell carcinoma in situ was diagnosed within the urethral diverticulum.
Findings:
- Preoperative investigations, including urine cytology and magnetic resonance imaging (MRI), failed to detect the TCCIS.
- The diagnosis was confirmed following surgical intervention.
- This represents the third reported case in the medical literature.
Implications:
- Highlights the diagnostic challenges associated with rare urological malignancies.
- Suggests a need for increased awareness of TCCIS in urethral diverticula, particularly in high-risk patients.
- Emphasizes the limitations of conventional diagnostic modalities in specific clinical scenarios.
Related Concept Videos
Diverticular Disease of the Colon
Diverticular disease involves the formation of diverticula—small sac-like outpouchings of the colonic wall—and their complications. It most commonly affects the sigmoid colon due to higher intraluminal pressure and structural vulnerability. It results from structural weakness and increased pressure in the colon, producing pseudodiverticula that may remain silent or progress to inflammation and serious complications.Structure of DiverticulaIn diverticulosis, these outpouchings are...
Urinary Tract Calculi VI: Surgical Management
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...
Ureters
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...
Urinary Bladder
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.
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
In males, the bladder is situated in front of the rectum, while in females, it is positioned anterior to the vagina and uterus. The bladder floor contains an inverted triangular area called the trigone, defined by the two ureteric...
Urinary Tract Infection III: Diagnostic Studies and Interprofessional Care
A healthcare provider can diagnose a urinary tract infection (UTI) through several methods:Medical History and Symptoms: The provider will take a detailed medical history and ask about symptoms such as frequent urination, burning sensation during urination, and lower abdominal pain.Urinalysis: A clean-catch urine sample is collected in a sterile container and tested for the presence of bacteria, white blood cells (leukocytes), nitrites, blood, and protein. The presence of leukocytes and...
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...

