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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.
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Peptic Ulcer Disease I: Introduction01:25

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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...
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Peptic Ulcer

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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...
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Granulocyte-dependent Autoantibody-induced Skin Blistering
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Purpuric bullous pemphigoid.

Maruska Marovt1, Laila El Shabrawi-Caelen

  • 1*Department of Dermatovenerology, University Medical Centre Maribor, Maribor, Slovenia; and †Department of Dermatology, University Hospital Graz, Graz, Austria.

The American Journal of Dermatopathology
|January 22, 2015
PubMed
Summary

This report details the first known case of purpuric bullous pemphigoid (BP), an uncommon variant presenting with blisters and itchy lesions. The cause of purpuric lesions alongside typical BP symptoms remains unclear.

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Area of Science:

  • Dermatology
  • Immunodermatology

Background:

  • Bullous pemphigoid (BP) is an autoimmune blistering disease with various rare clinical presentations.
  • Recognized variants include vesicular, dyshidrosiform, nodularis, seborrheic, vegetans, localized, erythrodermic, and juvenile BP.

Observation:

  • An 85-year-old male presented with a two-week history of widespread blisters and pruritic urticarial lesions.
  • The patient exhibited palmoplantar purpuric lesions concurrently with typical BP patches and plaques.

Findings:

  • The case is identified as the first reported instance of purpuric bullous pemphigoid.
  • Diagnosis was confirmed through clinical evaluation, histopathology, and direct/indirect immunofluorescence studies.

Implications:

  • This case expands the spectrum of known clinical variants of bullous pemphigoid.
  • Further research is needed to elucidate the etiology of purpuric BP and its specific pathogenesis.