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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-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...

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...

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Related Experiment Video

Updated: May 15, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

Published on: August 24, 2019

Small intestinal angiosarcoma masquerading as an appendiceal abscess.

D S H Liu¹, H Smith, M M W Lee

¹Department of Surgery, Level 8, Austin Hospital, 145 Studley Road, Heidelberg, Victoria 3084, Australia. dshliu@bigpond.com

Annals of the Royal College of Surgeons of England

|January 16, 2013

Summary

This summary is machine-generated.

Rare small intestine angiosarcomas present non-specifically, often diagnosed late. This case highlights an ileum angiosarcoma mimicking an appendiceal abscess, emphasizing diagnostic challenges.

Related Experiment Videos

Last Updated: May 15, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch

Published on: August 24, 2019

Area of Science:

Gastroenterology
Oncology
Surgical Pathology

Background:

Small intestine angiosarcomas are exceptionally rare vascular tumors.
Clinical presentation is often vague, including abdominal pain, altered bowel habits, anemia, and gastrointestinal bleeding.
Early diagnosis is difficult, frequently occurring at advanced stages.

Observation:

A case of angiosarcoma of the terminal ileum is presented.
The tumor initially mimicked an appendiceal abscess.
This presentation highlights the potential for diagnostic confusion.

Findings:

Angiosarcomas require careful clinicopathological evaluation for accurate diagnosis.
Histopathological features are crucial for differentiating angiosarcomas from other malignancies.
Multidisciplinary approaches are essential for effective management.

Implications:

Increased awareness of rare gastrointestinal tumors like small intestine angiosarcoma is necessary.
Diagnostic strategies should consider unusual presentations, such as mimicking appendicitis.
Improved diagnostic pathways can lead to earlier detection and potentially better patient outcomes.