Related Experiment Video
Updated: Jun 16, 2026
06:02
Posterior Approach for Debridement of the Psoas Abscess
Published on: March 2, 2020
Appendiceal abscess: pathologic definitions and a diagnostic framework-SIRC/SICUT consensus
Roberto Cirocchi1,2, Gioia Brachini3, Giovanni Alemanno4
1Department of Medicine and Surgery, University of Perugia, 06123, Perugia, Italy. roberto.cirocchi@unipg.it.
International Journal of Colorectal Disease
|June 15, 2026
Summary
Standardized definitions for appendiceal abscesses and related conditions were established. This unified taxonomy improves interdisciplinary communication and research comparability in acute appendicitis management.
Area of Science:
- Gastroenterology
- Surgical Pathology
- Radiology
Background:
- Appendiceal abscesses present diverse pathological and imaging features.
- Lack of standardized definitions hinders research and clinical practice.
Purpose of the Study:
- To establish a unified taxonomy and diagnostic framework for appendiceal abscesses.
- To improve interdisciplinary communication and cross-study comparability.
Main Methods:
- Modified Delphi method with a multidisciplinary panel.
- Four-round consensus process culminating in an in-person conference.
- Refinement of statements on pathological definitions, classifications, and imaging.
Main Results:
- Consensus achieved on 22 statements.
- Delineation of the spectrum from uncomplicated to complicated appendicitis.
- Distinction between appendiceal abscesses and appendiceal masses.
- Imaging framework using CT descriptors for radiology-pathology correlation.
Conclusions:
- A unified taxonomy for appendiceal abscesses and related entities has been developed.
- The framework enhances interdisciplinary communication.
- Improved comparability across studies is now possible.
Related Concept Videos
01:19Appendicitis
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...
01:22Appendicitis-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...
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...
01:29Appendicitis-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...
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...
01:26Brain Abscess l: Introduction
A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
01:17Chronic Bowel Disorders: Introduction
Chronic bowel diseases are a group of long-term conditions affecting the digestive tract, characterized by inflammation and damage to the gut lining. These conditions primarily include irritable bowel syndrome and inflammatory bowel disease.
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
Irritable Bowel Syndrome (IBS) is a common disorder affecting the gastrointestinal tract. The distinctive feature is recurrent abdominal pain associated with altered bowel movements, manifesting as constipation, diarrhea, or fluctuating between both. The...
01:25Assessment of the Rectum and Anus
Evaluating the rectum and anus plays a crucial role in conducting a thorough physical examination of the gastrointestinal system. Although it may be uncomfortable and often embarrassing for the patient, it holds immense diagnostic value, particularly in detecting gastrointestinal diseases and abnormalities. This guide will explain how to perform this assessment using inspection and palpation methods.
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...
Rectal Inspection
Begin by inspecting the perianal and anal areas for color, texture, rashes,...