Related Experiment Video
Updated: Jul 27, 2026

10:19
Evaluation of Biomaterials for Bladder Augmentation using Cystometric Analyses in Various Rodent Models
Published on: August 9, 2012
Extraperitoneal bladder rupture secondary to rectal impalement.
1Department of Urology, Hokkaido Saiseikai Otaru Hokusei Hospital, Otaru, Japan. tanumay@sapmed.ac.jp
Summary
A rare impalement injury involving the urinary bladder and rectum was treated successfully. Surgical intervention and catheterization led to complete closure of the vesicorectal fistula.
Area of Science:
- Urology
- Colorectal Surgery
- Trauma Surgery
Background:
- Impalement injuries to the urinary bladder and rectum are exceptionally rare.
- This case highlights a penetrating injury to the pelvic organs via the internal femoral skin.
- Diagnostic challenges in identifying such injuries are notable.
Observation:
- A 45-year-old male presented with a penetrating injury from a steel bar.
- Initial imaging (cystography, CT) did not reveal bladder rupture, despite gross hematuria.
- Cystoscopy identified a posterior bladder wall wound, and colonoscopy revealed rectal injuries, including a vesicorectal fistula.
Findings:
- A penetrating injury resulted in a vesicorectal fistula.
- Diagnostic laparoscopy excluded intra-abdominal injuries.
- Treatment involved transanal closure of fistulas and indwelling ureteral and urethral catheters.
Implications:
- This case demonstrates successful management of a rare vesicorectal injury.
- Endoscopic and minimally invasive techniques can be effective for diagnosing and treating such complex trauma.
- Prompt and accurate diagnosis is crucial for optimal patient outcomes in penetrating pelvic injuries.
Related Concept Videos
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...
Esophageal Perforation-I: Introduction
Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus.
The location of esophageal perforation can vary, occurring anywhere along the esophagus.
Esophageal Perforation-II: Clinical Manifestations and Management
Esophageal perforations manifest in various clinical forms, influenced by factors such as the perforation's cause and location (cervical, intrathoracic, or intra-abdominal), the extent of contamination, and potential injury to adjacent mediastinal structures. The timing between the perforation occurrence and treatment initiation also affects the clinical presentation.
Clinical Manifestations:
Clinical Manifestations:
Intestinal Obstruction II: Pathophysiology
Intestinal obstruction triggers a series of physiological responses, starting with gas and fluid accumulation in the bowel segment proximal to the obstruction, leading to distension. This distended intestine compresses the diaphragm, hindering lung expansion and potentially leading to reduced respiratory effort, atelectasis, and pneumonia.To overcome the blockage, the gut intensifies contractions, causing colicky abdominal pain, nausea, and vomiting, which reduces fluid and food intake and...
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...
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...

