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Related Concept Videos

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy01:26

Imaging Studies III: Gastrointestinal Motility Studies and Virtual Colonoscopy

This lesson explores three gastrointestinal imaging techniques: radionuclide testing, colonic transit studies, and virtual colonoscopy.
Radionuclide Testing
Radionuclide testing is a sophisticated medical technique for assessing gastrointestinal motility. It focuses on gastric emptying and colonic transit time. Radioactive markers track the movement of food through the digestive system, providing insights into gastrointestinal disorders.
In gastric emptying studies, a meal's liquid and solid...
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...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
Diverticular Disease of the Colon01:27

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...
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...
Imaging Studies V: Intravenous Urography and Retrograde Pyelography01:22

Imaging Studies V: Intravenous Urography and Retrograde Pyelography

IntroductionIntravenous Urography (IVU) and Retrograde Pyelography (RP) are important diagnostic imaging techniques used to evaluate the urinary system. These methods help identify structural abnormalities, obstructions, and functional issues in the kidneys, ureters, and bladder. Both procedures use iodine-based contrast media to enhance the visibility of urinary tract structures on X-ray images, though they differ in their methods and indications.1. Intravenous Urography (IVU)Intravenous...

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Related Experiment Video

Updated: Jun 28, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Diagnostic imaging for diverticulitis.

Deba Sarma1, Walter E Longo,

  • 1Department of Surgery, Yale University School of Medicine, New Haven, CT 06510, USA.

Journal of Clinical Gastroenterology
|October 22, 2008
PubMed
Summary
This summary is machine-generated.

Early radiologic evaluation is crucial for accurate diverticulitis diagnosis due to high misdiagnosis rates with clinical methods alone. Imaging, particularly computed tomography (CT), helps determine severity and complications for appropriate patient management.

Related Experiment Videos

Last Updated: Jun 28, 2026

Multimodality Diagnosis of Mesenteric Ischemia
05:07

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Area of Science:

  • Gastroenterology
  • Radiology
  • Medical Imaging

Background:

  • Diverticulitis diagnosis solely on clinical and laboratory criteria has a high misdiagnosis rate.
  • Complications of diverticulitis can be severe, necessitating prompt and accurate diagnosis.
  • Radiologic evaluation is recommended for early and routine assessment of suspected diverticulitis.

Purpose of the Study:

  • To highlight the importance of radiologic evaluation in diagnosing diverticulitis.
  • To compare the efficacy of various imaging modalities for diverticulitis assessment.
  • To emphasize the role of imaging in determining the extent, severity, and complications of diverticulitis.

Main Methods:

  • Review of common diagnostic imaging techniques for diverticulitis: ultrasound, barium enema, computed tomography (CT), and magnetic resonance imaging (MRI).
  • Discussion on the shift from barium enema to CT due to CT's superior ability to assess extracolonic disease.
  • Emphasis on CT scan as the preferred imaging modality in the acute, symptomatic stage of diverticulitis.

Main Results:

  • Computed tomography (CT) has become the dominant imaging modality, largely replacing barium enema.
  • CT excels in identifying the extracolonic extent of diverticulitis, crucial for comprehensive assessment.
  • CT scan is the procedure of choice for evaluating acute, symptomatic diverticulitis.

Conclusions:

  • Radiologic imaging is essential for accurate diverticulitis diagnosis, staging, and complication detection.
  • Computed tomography (CT) is the current gold standard for acute diverticulitis imaging.
  • Effective communication between clinicians and radiologists is vital for optimal diagnostic testing and patient management.