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Related Concept Videos

Peptic Ulcer01:27

Peptic Ulcer

38
Peptic ulcers are erosive lesions of the gastric or duodenal lining, most commonly caused by Helicobacter pylori infection. This Gram-negative, helical bacterium has adapted to survive the stomach’s acidic environment by producing urease, which converts urea into ammonia and carbon dioxide. The ammonia neutralizes gastric acid in the bacterium’s immediate environment, allowing colonization of the gastric mucosa. H. pylori attaches to mucus-secreting epithelial cells, penetrates the...
38
Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

1.2K
Peptic Ulcer Disease (PUD) is characterized by mucosal excavation in the esophagus, stomach, pylorus, or duodenum. It can manifest as acute or chronic based on the extent and duration of mucosal involvement.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
1.2K
Peptic Ulcer Disease I: Introduction01:25

Peptic Ulcer Disease I: Introduction

16
Peptic ulcer disease (PUD) involves breaks in the gastrointestinal tract's mucosal lining, primarily in the stomach and duodenum, with less frequent occurrences in the lower esophagus or near the pylorus.Ulcers can be acute or chronic. Acute ulcers are short-lived with minimal inflammation and heal quickly after the irritant is removed. Chronic ulcers persist, may recur, and often cause scarring due to ongoing tissue damage. Superficial erosions affect only the mucosal layer and are called...
16
Peptic Ulcer Disease II: Pathophysiology01:28

Peptic Ulcer Disease II: Pathophysiology

3.0K
Peptic Ulcer Disease (PUD) is characterized by the development of ulcers in the stomach or duodenal mucosa. Its pathophysiology is complex, involving a balance between damaging and protective elements.
Damaging agents such as Helicobacter pylori, gastric acid, pepsin, and nonsteroidal anti-inflammatory drugs (NSAIDs) can weaken the mucosal defense, allowing hydrogen ions to infiltrate back and harm epithelial cells.
3.0K
Peptic Ulcer Disease II: Pathophysiology01:24

Peptic Ulcer Disease II: Pathophysiology

23
Peptic ulcer disease develops when protective mechanisms of the gastrointestinal mucosa are overwhelmed by harmful factors, leading to localized erosions in the stomach or proximal duodenum. The main causes are Helicobacter pylori infection and chronic use of nonsteroidal anti-inflammatory drugs (NSAIDs).Helicobacter pylori–Induced InjuryBacterial Adaptation and Colonization:H. pylori is a spiral, Gram-negative bacterium adapted to the acidic stomach. and transmitted through oral-oral or...
23
Assessment of the Mouth01:26

Assessment of the Mouth

1.6K
A thorough mouth assessment, including inspection and palpation of the lips, gums, tongue, tonsils, uvula, and pharynx, is crucial in detecting potential health issues. Diseases ranging from oral cancer to systemic conditions like diabetes could be identified early through careful oral examination. This article provides a detailed guide on conducting a comprehensive mouth assessment.
Mouth Inspection
The inspection begins with visually examining the mouth for symmetry, color, and size.
1.6K

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Method of Studying Palatal Fusion using Static Organ Culture
04:58

Method of Studying Palatal Fusion using Static Organ Culture

Published on: September 19, 2015

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Palatal ulceration.

Kabir Sardana1, Shuchi Bansal1

  • 1Department of Dermatology Maulana Azad Medical College and Lok Nayak Hospital, New Delhi, India.

Clinics in Dermatology
|December 3, 2014
PubMed
Summary

Palatal ulcers, often caused by infections or drugs, require early surgical evaluation for chronic cases. Understanding the causes of these mouth ulcers is key to effective management.

Area of Science:

  • Oral Medicine
  • Dermatology
  • Oral and Maxillofacial Surgery

Background:

  • Palatal ulcers are common and present with diverse etiologies.
  • Causes are broadly classified into developmental and acquired, with acquired ulcers further divided into acute and chronic.
  • Dermatologic conditions frequently manifest with associated skin findings.

Purpose of the Study:

  • To categorize the causes of palatal ulcers.
  • To highlight the diagnostic and management considerations for different ulcer types.
  • To emphasize the importance of early surgical consultation for chronic cases.

Main Methods:

  • Review and classification of palatal ulcer etiologies.
  • Correlation of ulcer characteristics with underlying causes.

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  • Discussion of clinical presentation and management strategies.

    • Main Results:

    • Acute, multiple ulcers often indicate infectious or drug-induced origins.
    • Recurrent ulcers are frequently associated with aphthosis.
    • Chronic ulcers are more common in immunocompromised individuals and may represent malignancy.

    Conclusions:

    • Palatal ulcers have varied causes, necessitating a systematic diagnostic approach.
    • Early involvement of oral and maxillofacial surgeons is crucial for managing chronic palatal ulcers and their complications.
    • Recognizing associated skin manifestations aids in diagnosing dermatologic causes.