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Related Concept Videos

Assessment of the Rectum and Anus01:25

Assessment of the Rectum and Anus

1.9K
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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Other Disorders of Digestive System01:30

Other Disorders of Digestive System

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The gastrointestinal tract is susceptible to various disorders. If the lower esophageal sphincter is damaged, stomach acid can flow back into the esophagus, causing irritation and inflammation of the lining. This condition is called gastroesophageal reflux disease (known as heartburn) and may cause chest pain and difficulty swallowing. In the stomach, prolonged use of nonsteroidal anti-inflammatory drugs like aspirin, chronic alcohol consumption, bacterial infections such as Helicobacter...
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Unusual Results01:16

Unusual Results

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Unusual results are those that have a very low chance of occurring. Unusual results can be identified using probabilities and the range rule of thumb. In problems involving probability, unusual results can be observed in 2 instances – an unusually high number of successes or an unusually low number of successes.
According to the range rule of thumb, any value above or below two standard deviations, 2σ  from the mean, μ  is considered unusual.
Maximum unusual value =...
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Esophageal Perforation-I: Introduction01:22

Esophageal Perforation-I: Introduction

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Esophageal perforation is a severe medical condition characterized by a breach in the integrity of the esophageal wall. This breach can occur due to various factors such as trauma, medical procedures, or underlying diseases. When the esophageal wall is compromised, it allows food, fluids, and digestive juices into the chest cavity or adjacent structures, leading to potential complications and health risks.
The location of esophageal perforation can vary, occurring anywhere along the esophagus....
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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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Gastrointestinal Motility Disorders01:20

Gastrointestinal Motility Disorders

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Gastrointestinal or GI motility disorders are characterized by irregular gastrointestinal tract movements, disrupting food transit from the mouth to the anus. They are caused by damage or dysfunction in gut muscles or nerves. These disorders can cause symptoms such as severe constipation, diarrhea, abdominal pain, and swallowing difficulties. Disorders can affect any segment of the GI tract and range widely in severity, from common conditions like GERD to life-threatening conditions like...
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Related Experiment Video

Updated: Apr 15, 2026

A Mouse Model of Intestinal Partial Obstruction
07:33

A Mouse Model of Intestinal Partial Obstruction

Published on: March 5, 2018

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[An unusual digestive occlusion].

C Jungels, C Stefanidis, M Hackx

    Revue Medicale De Bruxelles
    |April 11, 2015
    PubMed
    Summary

    Malignant melanoma can spread to the small intestine, rarely causing obstruction via intussusception. Consider intestinal metastasis in melanoma patients with bowel obstruction and gastrointestinal symptoms.

    Area of Science:

    • Oncology
    • Gastroenterology
    • Surgical Pathology

    Background:

    • Malignant melanoma is known for its high metastatic potential.
    • Small intestine metastasis from melanoma is relatively common.
    • Intussusception as a presentation of small intestinal metastasis is exceptionally rare.

    Observation:

    • A 58-year-old female presented with general decline, intestinal obstruction symptoms, and a cervical mass.
    • Imaging indicated small intestine intussusception.
    • Surgical resection of the cervical mass and small intestine segment was performed.

    Findings:

    • Pathological examination confirmed metastatic cervical malignant melanoma within the resected small intestine segment.
    • The findings highlight a rare clinical manifestation of melanoma metastasis.

    More Related Videos

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    Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

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    Related Experiment Videos

    Last Updated: Apr 15, 2026

    A Mouse Model of Intestinal Partial Obstruction
    07:33

    A Mouse Model of Intestinal Partial Obstruction

    Published on: March 5, 2018

    23.0K
    Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction
    07:44

    Endoscopic Ultrasound-Guided Biliary Drainage: Endoscopic Ultrasound-Guided Hepaticogastrostomy in Malignant Biliary Obstruction

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    Implications:

    • This case underscores the importance of considering intestinal metastasis in patients with a history of melanoma presenting with intestinal obstruction.
    • Early diagnosis and surgical intervention are crucial for managing such rare presentations.
    • Highlights the diverse metastatic patterns of malignant melanoma.