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Appendicitis

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-II: Diagnostic Studies and Management

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...

Appendicitis-I: Introduction

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 III: Gastrointestinal Motility Studies and Virtual Colonoscopy

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...

Imaging Studies VI: Voiding Cystourethrography and Cystography

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 Pyelography

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: Jul 13, 2026

Multimodality Diagnosis of Mesenteric Ischemia

Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Multimodality imaging of an appendiceal intussusception.

Ronald Swanger¹, Sheila Davis, Whitney McBride

¹Department of Radiology, New York Medical College, Valhalla, NY 10595, USA. wangerr@wcmc.com

Pediatric Radiology

|July 6, 2007

Summary

Appendiceal intussusception is rare. This study details air-contrast enema, sonographic, and CT findings for this condition, offering a comprehensive radiologic overview.

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Area of Science:

Gastroenterology
Radiology
Surgical Pathology

Background:

Appendiceal intussusception is an uncommon cause of abdominal pain.
Previous literature primarily focuses on surgical or colonoscopic treatments.
Existing radiologic descriptions often highlight sonographic and double-contrast barium enema findings.

Observation:

This case report details a patient diagnosed with appendiceal intussusception.
The presentation includes findings from air-contrast enema, ultrasonography, and computed tomography (CT).

Findings:

Air-contrast enema revealed characteristic intussusception patterns.
Sonographic evaluation demonstrated a target-like appearance.
CT imaging provided detailed anatomical visualization of the intussusception.

Implications:

This case expands the understanding of appendiceal intussusception imaging.
Comprehensive radiologic assessment aids in accurate diagnosis and treatment planning.
Early and accurate diagnosis can prevent complications associated with appendiceal intussusception.