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Related Concept Videos

Diverticular Disease of the Colon01:27

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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...
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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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The lower urinary system consists of the urinary bladder and urethra, which are essential in storing and expelling urine from the body. Together with the internal and external sphincters, these structures work together to regulate urination effectively.Anatomy of the BladderThe urinary bladder is a muscular, stretchable organ behind the pubic bone and in front of the rectum. In females, the bladder is positioned anterior to the vagina and inferior to the uterus, while in males, it is located...
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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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An Orthotopic Bladder Cancer Model for Gene Delivery Studies
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Primary osteosarcoma in a bladder diverticulum.

Rami R Abou Ghaida1, Ragheed M Saoud, Mohammad Bulbul

  • 1American University of Beirut-Medical Center, Beirut, Lebanon.

The Canadian Journal of Urology
|August 30, 2014
PubMed
Summary
This summary is machine-generated.

Extra-skeletal osteosarcomas in the bladder are rare, with this being the third reported case of a bladder diverticulum osteosarcoma. These tumors have a poorer prognosis than urothelial carcinoma, and diagnosis and treatment remain challenging.

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Area of Science:

  • Oncology
  • Pathology

Background:

  • Osteosarcoma is a malignant tumor, typically affecting bone, but rare extra-skeletal occurrences exist.
  • Bladder osteosarcomas, particularly those arising from diverticula, represent an exceptionally rare clinical entity.

Observation:

  • This report details the third documented case of an osteosarcoma originating within a bladder diverticulum.
  • The rarity of these tumors complicates diagnostic and therapeutic strategies.

Findings:

  • Urinary bladder osteosarcomas exhibit a poorer prognosis compared to conventional urothelial bladder carcinoma.
  • Accurate diagnosis relies heavily on biopsy and immunochemical staining.

Implications:

  • The scarcity of reported cases necessitates further research into optimal treatment regimens for bladder osteosarcomas.
  • Understanding the unique characteristics of bladder diverticulum osteosarcomas is crucial for improving patient outcomes.