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Related Concept Videos

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...
Appendicitis01:19

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...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

Surgical interventions for inflammatory bowel disease (IBD), which includes ulcerative colitis and Crohn's disease, are essential in managing symptoms and addressing complications. The selection of surgical procedures is contingent upon the specific conditions and complications that stem from these illnesses.
Here are some common surgical interventions for IBD:
Appendicitis-I: Introduction01:22

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...
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...

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Murine Distal Colostomy, A Novel Model of Diversion Colitis in C57BL/6 Mice
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Murine Distal Colostomy, A Novel Model of Diversion Colitis in C57BL/6 Mice

Published on: July 12, 2018

Sigmoid diverticulitis: US findings.

Maria Antonietta Mazzei1, Nevada Cioffi Squitieri, Susanna Guerrini

  • 1Department of Medical, Surgical and Neuro Sciences, Section of Radiological Sciences, Siena, Italy. mariaantonietta.mazzei@unisi.it.

Critical Ultrasound Journal
|August 2, 2013
PubMed
Summary

Acute diverticulitis, a common cause of left lower-quadrant pain, often resolves with nonoperative treatment. Imaging like ultrasound and CT scans aid diagnosis, with CT essential for complicated cases.

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Multimodality Diagnosis of Mesenteric Ischemia
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Published on: July 21, 2023

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Multimodality Diagnosis of Mesenteric Ischemia

Published on: July 21, 2023

Area of Science:

  • Gastroenterology
  • Medical Imaging

Background:

  • Acute diverticulitis (AD) is inflammation of colonic diverticula, a frequent cause of emergency hospitalization.
  • Prevalence increases with age, affecting over half of individuals over 65.
  • While most cases resolve nonoperatively, complications like abscesses or perforation can occur.

Purpose of the Study:

  • To review diagnostic approaches for acute diverticulitis.
  • To compare the utility of ultrasound (US) and computed tomography (CT) in diagnosing AD.
  • To guide treatment decisions based on imaging findings.

Main Methods:

  • Review of diagnostic imaging modalities for acute diverticulitis.
  • Comparison of ultrasound and CT scan efficacy, sensitivity, and specificity.
  • Analysis of imaging's role in differential diagnosis and treatment guidance.

Main Results:

  • Both US and CT are useful for diagnosing diverticulitis with similar accuracy.
  • CT is crucial for diagnosing complicated diverticular disease and suspected peritonitis.
  • Experienced sonographers can diagnose uncomplicated AD effectively using clinical guidance.
  • US is recommended for premenopausal women and young individuals to minimize radiation exposure.

Conclusions:

  • Imaging plays a vital role in diagnosing acute diverticulitis and guiding management.
  • CT is preferred for complicated cases, while US is valuable for specific patient groups.
  • Accurate diagnosis through imaging facilitates appropriate treatment strategies for acute diverticulitis.