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Related Concept Videos

Acute Inflammation III: Local and Systemic Effects01:25

Acute Inflammation III: Local and Systemic Effects

Acute inflammation produces a coordinated set of local and systemic changes that limit injury, eliminate pathogens, and initiate repair. These responses arise within minutes of infection, trauma, or chemical insult and are driven by vascular alterations and leukocyte-derived mediators. When the stimulus resolves, the reaction typically abates within days.Local EffectsAt the site of injury, arteriolar vasodilation increases blood flow, resulting in redness and warmth. Simultaneously, increased...
Acute Inflammation I: Inflammatory Response01:26

Acute Inflammation I: Inflammatory Response

Acute inflammation is a rapid, short-lived physiological response to tissue injury or infection, designed to eliminate harmful agents and initiate repair. This tightly regulated process typically lasts from minutes to several days and is triggered by factors such as microbial invasion, physical trauma, or chemical injury.Recognition and Mediator ReleaseThe inflammatory response begins when resident immune cells—such as mast cells, macrophages, and dendritic cells—detect damage-associated...
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EPS and iPS Cells in Disease Research

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Acute Pancreatitis II: Pathophysiology01:21

Acute Pancreatitis II: Pathophysiology

The pathophysiology of acute pancreatitis centers on injury to pancreatic acinar cells, which initiates a cascade of harmful intracellular events.This injury leads to premature activation of trypsinogen to trypsin in the pancreas. Trypsin then activates other digestive enzymes, such as chymotrypsin, elastase, and phospholipase A2, which begin breaking down pancreatic tissue. The resulting autodigestion causes local inflammation, tissue swelling, hemorrhage, and fat necrosis.Injured acinar cells...
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Treatment for Pulmonary Arterial Hypertension: Prostacyclin Receptor Agonists

Prostacyclin receptor agonists are a class of therapeutic agents integral to managing pulmonary arterial hypertension (PAH). These drugs operate by mimicking the action of prostaglandin I2, or PGI2, a naturally occurring compound in the body.
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Related Experiment Video

Updated: May 16, 2026

Measuring Psoriasis Severity at Home
02:28

Measuring Psoriasis Severity at Home

Published on: March 1, 2024

Pseudoainhum in acute psoriasis.

Muhammad Irfan Anwar1, Nadia Iftikhar, Syeda Huma Hasnain

  • 1Department of Dermatology, Military Hospital, Rawalpindi. doctorirfananwar@gmail.com

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP
|December 11, 2012
PubMed
Summary
This summary is machine-generated.

Pseudoainhum, characterized by constricting bands on digits, can cause severe damage. This report details a rare case of pseudoainhum occurring alongside acute psoriasis, emphasizing the need for prompt medical recognition.

Related Experiment Videos

Last Updated: May 16, 2026

Measuring Psoriasis Severity at Home
02:28

Measuring Psoriasis Severity at Home

Published on: March 1, 2024

Area of Science:

  • Dermatology
  • Vascular Surgery

Background:

  • Pseudoainhum involves constricting bands on digits, potentially leading to autoamputation.
  • Etiologies are diverse, but association with psoriasis is rare.

Observation:

  • A rare case of pseudoainhum presenting concurrently with acute psoriasis is described.
  • The condition affected digits of the hands and feet.

Findings:

  • The concomitant presentation of pseudoainhum and acute psoriasis is exceptionally uncommon.
  • Constricting bands can compromise neurovasculature, risking digit loss.

Implications:

  • Physicians must recognize this rare association to prevent complications.
  • Early diagnosis and intervention are crucial for managing pseudoainhum and psoriasis overlap.