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Related Concept Videos

Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors01:24

Pathophysiology of Peptic Ulcer Disease: Mucosal Defense Factors

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Peptic ulcer disease, commonly called PUD, represents a multifaceted condition characterized by disruptions in the lining of the gastrointestinal (GI)  tract. Central to the protection of the gastrointestinal lining is the mucosal-bicarbonate barrier. This physiological defense mechanism is a formidable shield against the corrosive effects of gastric acid and pepsin secretion in the stomach. Its role is pivotal in maintaining the structural integrity of the stomach's inner lining.
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Peptic Ulcer Disease II: Pathophysiology01:28

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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.
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In the intricate landscape of the gastric lumen, excessive acid secretion disrupts the natural defense mechanisms, weakening the mucus-bicarbonate barrier. This vulnerability allows pepsin to infiltrate epithelial cells, digesting mucosal proteins and triggering erosion, leading to ulcer formation.
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Plasma Cell Mucositis: A Clinical Conundrum.

Mahnaz Fatahzadeh1, Joseph Rinaggio, Robert A Schwartz

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Plasma cell mucositis (PCM) is a rare condition affecting mucous membranes, characterized by plasma cell proliferation. Treatment involves trigger avoidance and steroids, but its cause remains unknown.

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Area of Science:

  • Oral pathology
  • Dermatology
  • Immunology

Background:

  • Plasma cell mucositis (PCM) is an uncommon disorder affecting accessible mucosa.
  • It is often reported in the upper aerodigestive tract but can occur in various anatomical sites.
  • Specific forms include plasma cell cheilitis, gingivitis, vulvitis, and Zoon's balanitis.

Purpose of the Study:

  • To review and update current knowledge on plasma cell mucositis.
  • To highlight the diagnostic and therapeutic challenges associated with PCM.
  • To discuss the underlying pathophysiology of this condition.

Main Methods:

  • Literature review of plasma cell mucositis.
  • Analysis of clinical presentations and histopathological findings.
  • Summary of current treatment strategies.

Main Results:

  • PCM is characterized by a dense polyclonal plasma cell proliferation, distinguishing it from monoclonal conditions.
  • The etiology of PCM is unclear and unknown.
  • Common treatments include trigger avoidance and the use of intralesional or systemic steroids.

Conclusions:

  • Plasma cell mucositis presents a clinical conundrum due to its unknown etiology and diverse presentations.
  • Effective management often requires a multi-faceted approach.
  • Further research is needed to elucidate the pathogenesis of PCM.