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Related Concept Videos

Inflammatory Response01:28

Inflammatory Response

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An inflammatory response is a localized, nonspecific immune reaction that occurs when a tissue is injured. It is characterized by redness, swelling, heat, and pain, which are commonly called the cardinal signs and symptoms of inflammation. Inflammation can sometimes result in a loss of function.
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Inflammatory Response II: Inflammatory Exudate and Tissue Repair01:24

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The immune system's inflammatory response destroys the invading pathogen, permitting the tissue to heal. The changes during the cellular and vascular stages allow exudate formation at the site of inflammation. The inflammatory exudate released from the wound has high protein content and a specific gravity above 1.020.
The typical wound exudate is odorless, transparent, straw-colored, thin, and watery. Exudate, however, can differ depending on the state of wound healing. Likewise, the...
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Inflammatory Response I: Vascular and Cellular01:30

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The inflammatory response is the body's defense against infection, injury, or irritation from bacteria, trauma, toxins, or heat. Inflammation helps locate and destroy pathogens and remove damaged tissue elements to heal the body. During this initial phase, fluid, blood products, and nutrients migrate to the injured area, resulting in redness, heat, swelling, ache, and loss of function. Moreover, signs of systemic inflammation include fever, increased WBC count, malaise, anorexia, nausea,...
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Inflammatory Bowel Disease I: Ulcerative Colitis01:27

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Introduction
Inflammatory bowel disease, or IBD, encompasses a group of disorders characterized by chronic inflammation or ulceration of the gastrointestinal tract.
Risk Factors
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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.
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Post-traumatic Stress Disorder01:27

Post-traumatic Stress Disorder

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Post-traumatic stress disorder (PTSD) is a psychiatric condition that arises following exposure to traumatic events such as natural disasters, forced displacement, or severe accidents. It significantly impairs individuals' ability to cope with daily activities and disrupts their emotional and psychological equilibrium.
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Updated: Feb 14, 2026

On-Chip Endothelial Inflammatory Phenotyping
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[Post-inflammatory hyperpigmentation].

T Passeron1

  • 1Service de dermatologie, CHU Nice, France; INSERM U1065, équipe 12, C3M, Nice, France.

Annales De Dermatologie Et De Venereologie
|February 18, 2018
PubMed
Summary
This summary is machine-generated.

Post-inflammatory hyperpigmentation (PIH) affects all skin types and ages, impacting quality of life. Early prevention, including photoprotection and anti-inflammatory treatments, is crucial for managing this condition.

Keywords:
Actes interventionnelsHyperpigmentationInflammationSkin procedures

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Area of Science:

  • Dermatology
  • Pathophysiology
  • Skin Biology

Background:

  • Post-inflammatory hyperpigmentation (PIH) is a common skin condition characterized by darkened skin patches.
  • It can occur after or during inflammatory skin processes, affecting individuals of all ages and skin types, though more prevalent in darker skin tones.
  • PIH significantly impacts the quality of life for affected individuals.

Purpose of the Study:

  • To explore the pathophysiology of post-inflammatory hyperpigmentation.
  • To emphasize the importance of early preventive measures in managing PIH.
  • To review current and potential therapeutic strategies for PIH.

Main Methods:

  • Literature review on the pathophysiology and treatment of PIH.
  • Analysis of the role of melanocyte activation in PIH development.
  • Evaluation of photoprotection and anti-inflammatory treatments.

Main Results:

  • Melanocyte activation occurs within the first week post-inflammation, highlighting the need for early intervention.
  • Balanced UVA and UVB photoprotection is essential for prevention.
  • Topical steroids are the established treatment for high-risk or existing PIH.

Conclusions:

  • Early preventive measures, including comprehensive photoprotection, are critical for managing PIH.
  • Further research is needed to confirm the role of visible light in PIH.
  • Anti-inflammatory treatments and topical steroids remain key therapeutic options.