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Related Concept Videos

Appendicitis-I: Introduction01:22

Appendicitis-I: Introduction

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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...
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Appendicitis01:19

Appendicitis

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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...
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Appendicitis-II: Diagnostic Studies and Management01:29

Appendicitis-II: Diagnostic Studies and Management

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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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Inflammatory Bowel Disease I: Introduction01:26

Inflammatory Bowel Disease I: Introduction

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Inflammatory bowel disease is a group of chronic disorders marked by recurrent inflammation of the gastrointestinal tract due to an abnormal immune response against gut microflora. This leads to tissue damage. The two main forms are Crohn’s disease and ulcerative colitis.Crohn’s DiseaseCrohn’s disease is a relapsing inflammatory disorder that can affect any part of the GI tract, from the mouth to the anus. It involves all layers of the bowel wall (transmural) and shows...
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Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

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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,...
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Inflammatory Bowel Disease II: Crohn's Disease01:30

Inflammatory Bowel Disease II: Crohn's Disease

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Introduction
Inflammatory bowel disease, commonly known as IBD, refers to a collection of disorders that lead to persistent inflammation of the gastrointestinal tract. The two types of IBD are ulcerative colitis, which impacts the colon, and Crohn's disease, which can involve any part of the gastrointestinal segment.
Crohn's disease
Crohn's disease is a chronic, systemic inflammatory bowel disease (IBD) that predominantly affects the gastrointestinal tract. It is marked by...
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Updated: Apr 28, 2026

Murine Appendectomy Model of Chronic Colitis Associated Colorectal Cancer by Precise Localization of Caecal Patch
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Unde venis? Amebiasis presenting as appendicitis.

Dennis A Wilson, Gerald A Wilson, Charles S Bryan

    Journal of the South Carolina Medical Association (1975)
    |June 7, 2014
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    Summary
    This summary is machine-generated.

    A traveler with fever and abdominal pain was diagnosed with a rare combination of amebic appendicitis, liver abscess, and dysentery. This case highlights the importance of travel history in diagnosing parasitic infections.

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    Analysis of the Epithelial Damage Produced by Entamoeba histolytica Infection
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    Area of Science:

    • Infectious Diseases
    • Tropical Medicine
    • Parasitology

    Background:

    • Amebiasis is a parasitic infection caused by Entamoeba histolytica.
    • It commonly presents as dysentery but can have extraintestinal manifestations.
    • Travel history is crucial for diagnosing infections acquired in endemic areas.

    Observation:

    • A returning traveler presented with fever, abdominal pressure, and pain.
    • Initial symptoms suggested a localized abdominal issue.
    • The patient's recent travel history was a key diagnostic clue.

    Findings:

    • The patient was diagnosed with amebic appendicitis.
    • An amebic liver abscess was identified.
    • Evidence of recent amebic dysentery was also present.

    Implications:

    • This case demonstrates a rare concurrent presentation of intestinal and extraintestinal amebiasis.
    • It underscores the diagnostic value of detailed patient history, particularly travel origins ('Unde venis').
    • Early and accurate diagnosis is vital for effective treatment and preventing complications of amebiasis.