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Related Concept Videos

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 I: Ulcerative Colitis01:27

Inflammatory Bowel Disease I: Ulcerative Colitis

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
The exact cause of IBD remains unclear, although it is believed to be due to a mix of genetic, environmental, microbial, and immune factors. Genetic factors are significant in determining susceptibility to IBD, with family history being a critical risk factor. Individuals with a first-degree relative who has IBD are at...
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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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Chronic Bowel Disorders: Introduction01:17

Chronic Bowel Disorders: Introduction

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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...
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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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Inflammatory Bowel Disease V: Surgical Management01:21

Inflammatory Bowel Disease V: Surgical Management

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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:
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Related Experiment Video

Updated: Oct 20, 2025

Demonstration of Cutaneous Allodynia in Association with Chronic Pelvic Pain
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Perianal Inflammation or Something More?

Romina Geraldine Dsouza1, Mohamed Rizwan Haroon Al Rasheed2, Gavin Low1

  • 1Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Alberta, Canada.

Journal of Clinical Imaging Science
|September 13, 2021
PubMed
Summary
This summary is machine-generated.

Atypical imaging findings in perianal fistulae can indicate malignancy, not just infection. Early detection through tissue sampling is crucial for appropriate surgical management and better patient outcomes.

Keywords:
Carcinoma in fistula in anoPerianal fistulaPerianal mucinous adenocarcinomaPerianal phlegmon

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Area of Science:

  • Gastroenterology
  • Radiology
  • Oncology

Background:

  • Perianal fistulae often present with abscesses and ramifications, exhibiting typical imaging characteristics.
  • Chronic or recurrent fistulae may show atypical imaging findings, including solid, enhancing mass-like lesions without fluid.

Observation:

  • These atypical lesions can represent inflammatory masses or, less commonly, locally aggressive malignancy.
  • Distinguishing between inflammatory and malignant etiologies is critical for patient prognosis.

Findings:

  • Malignancy associated with perianal fistulae portends a poorer prognosis.
  • Prompt tissue sampling is recommended to exclude malignancy in cases of atypical findings.

Implications:

  • Accurate identification of atypical perianal fistula imaging is essential for radiologists.
  • The diagnosis directly influences surgical management strategies, impacting the potential for curative outcomes.