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Related Concept Videos

Peptic Ulcer Disease IV: Management01:26

Peptic Ulcer Disease IV: Management

Medical treatment strategies for peptic ulcers encompass various methods. The primary goal of treatment is to diminish gastric acidity and strengthen mucosal defense mechanisms.
The therapeutic approach involves ensuring adequate rest, implementing drug therapy, promoting smoking cessation, making dietary modifications, and emphasizing long-term follow-up care.
Pharmacological management
The prevailing therapy for peptic ulcers involves a combination of managing the patient's current medication...
Peptic Ulcer Disease III: Clinical Manifestations and Complications01:25

Peptic Ulcer Disease III: Clinical Manifestations and Complications

Duodenal UlcersDuodenal ulcers are the most common form of peptic ulcer disease, presenting with chronic, intermittent epigastric pain. Pain typically appears 2–3 hours after meals, especially when the stomach is empty, often waking patients at night. It is characteristically relieved by food or antacids (“pain–food–relief”). Some patients remain asymptomatic until complications like bleeding or perforation emerge, particularly with NSAID or anticoagulant use.Gastric UlcersGastric ulcers share...
Peptic Ulcer Disease II: Pathophysiology01:28

Peptic Ulcer Disease II: Pathophysiology

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.
Peptic Ulcer Disease II: Pathophysiology01:24

Peptic Ulcer Disease II: Pathophysiology

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...
Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids01:31

Acid Suppressive Drugs for Peptic Ulcer Disease: Antacids

In the complex environment of the gastric lumen, excessive acid secretion can lead to the formation or worsening of ulcers within the delicate mucosal layer. Antacids, such as sodium bicarbonate and calcium carbonate, provide relief by neutralizing this acid, transforming it into harmless salt and water. This neutralization process raises the gastric pH from a highly acidic level of 1 to a more basic 3-4, reducing the acidity within the stomach.
However, this neutralization reaction between...
Pathophysiology of Peptic Ulcer Disease: Injurious Factors01:22

Pathophysiology of Peptic Ulcer Disease: Injurious Factors

Peptic ulcers are sores on the stomach's inner lining and the upper small intestine, which are the result of disruptions in the mucosal layer that houses parietal cells which produce gastric acid, and chief cells which secrete pepsinogen.
In the antrum region, G cells secrete the gastrin hormone that binds to gastrin-cholecystokinin-B (CCK2) receptors on parietal and enterochromaffin-like (ECL) cells in the fundic glands. Simultaneously, the vagus nerve releases acetylcholine, which binds to M3...

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Related Experiment Videos

Hypercalcemia complicating Marjolin's ulcer.

Andrew B Hall1, Kelly E Buehler, Marie Philipneri

  • 1Department of Internal Medicine, St. Louis University School of Medicine, 3635 Vista Avenue, 9th floor, St. Louis, MO 63110, USA.

Military Medicine
|April 10, 2009
PubMed
Summary
This summary is machine-generated.

New-onset hypercalcemia in patients with chronic osteomyelitis may signal Marjolin's ulcer, a rare squamous cell carcinoma. Early surgical intervention is key for remission, even with high calcium levels.

Related Experiment Videos

Area of Science:

  • Oncology
  • Dermatology
  • Internal Medicine

Background:

  • Chronic osteomyelitis presents a long-term risk for malignant transformation.
  • Hypercalcemia is a rare but serious complication that can occur in patients with chronic wounds.

Observation:

  • A 54-year-old male with chronic osteomyelitis developed new-onset hypercalcemia.
  • Initial investigations failed to identify the cause of hypercalcemia.
  • Biopsies confirmed squamous cell carcinoma transformation, indicative of Marjolin's ulcer.

Findings:

  • Marjolin's ulcer can develop in chronic wounds, including those from osteomyelitis.
  • Surgical treatment for Marjolin's ulcer can achieve remission, irrespective of hypercalcemia status.
  • Hypercalcemia can be an indicator of underlying malignancy in chronic wound patients.

Implications:

  • Clinicians should consider Marjolin's ulcer in patients with chronic wounds and unexplained hypercalcemia.
  • Prompt surgical evaluation and management are crucial for improving outcomes in Marjolin's ulcer.
  • This case highlights the importance of a high index of suspicion for malignancy in complex chronic wound scenarios.