Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

1
Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory...
1
Skin Diseases and Disorders01:23

Skin Diseases and Disorders

6.3K
Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
6.3K
Peptic Ulcer Disease I: Introduction01:30

Peptic Ulcer Disease I: Introduction

1.2K
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.
An acute ulcer, marked by superficial erosion and minimal inflammation, swiftly resolves upon identifying and addressing the underlying cause. In contrast, a chronic ulcer persists, potentially eroding through the muscular wall and forming fibrous tissue.
Peptic ulcers can also be...
1.2K
Peptic Ulcer Disease I: Introduction01:25

Peptic Ulcer Disease I: Introduction

2
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...
2
Peptic Ulcer01:27

Peptic Ulcer

36
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...
36
Inflammatory Bowel Disease II: Ulcerative Colitis01:20

Inflammatory Bowel Disease II: Ulcerative Colitis

3
Ulcerative colitis is a chronic inflammatory disorder of the colon characterized by continuous mucosal inflammation that typically begins in the rectum and extends proximally in a uniform pattern. Its pathogenesis involves a complex interplay of genetic predisposition, immune dysregulation, and environmental influences. These factors converge to impair the colon’s epithelial defenses and promote an exaggerated inflammatory response against luminal contents.Breakdown of the Mucosal...
3

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Alopecic Scalp Cysts Following Isotretinoin.

International journal of trichology·2025
Same author

Updated consensus guidelines for management of moderate-to-severe atopic dermatitis in Singapore: Integrating biologics, Janus kinase inhibitors and conventional therapies.

Annals of the Academy of Medicine, Singapore·2024
Same author

Advanced Systemic Treatments in Patients with Moderate-to-Severe Atopic Dermatitis: Key Learnings from Physicians Practicing in Nine Asian Countries and Territories.

Dermatology and therapy·2024
Same author

Drug reaction with eosinophilia and systemic symptoms secondary to minocycline complicated by posterior reversible encephalopathy syndrome.

JAAD case reports·2024
Same author

A unique case of subcutaneous panniculitis-like T-cell lymphoma presenting as an abscess following an arthropod bite.

Dermatology online journal·2022
Same author

Case Report: Mosaicism of a novel nonsense variant in the neurofibromin gene underlies a mosaic generalized NF1 phenotype.

F1000Research·2021

Related Experiment Video

Updated: Apr 17, 2026

The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis
11:39

The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis

Published on: July 11, 2013

39.7K

Pyoderma gangrenosum: a commonly overlooked ulcerative condition.

Daniel Zunsheng Tay1, Ki-Wei Tan2, Yong-Kwang Tay3

  • 1Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 119228.

Journal of Family Medicine and Primary Care
|February 7, 2015
PubMed
Summary
This summary is machine-generated.

Pyoderma gangrenosum (PG) treatment with systemic corticosteroids and immunosuppressants led to complete healing in all patients within 1-3 months. Early dermatology referral is crucial for rapidly progressing ulcers unresponsive to standard wound care.

Keywords:
Bluish edgepainfulpyoderma gangrenosumrapid progressionulcer

Related Experiment Videos

Last Updated: Apr 17, 2026

The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis
11:39

The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis

Published on: July 11, 2013

39.7K

Area of Science:

  • Dermatology
  • Immunology
  • Inflammatory Diseases

Background:

  • Pyoderma gangrenosum (PG) is a rare, destructive neutrophilic dermatosis.
  • PG often mimics other ulcerative skin conditions, complicating diagnosis.

Purpose of the Study:

  • To evaluate patient demographics, clinical presentation, histopathology, associated conditions, and treatment outcomes for Pyoderma gangrenosum.
  • To assess the efficacy of treatment regimens and recurrence rates in PG patients.

Main Methods:

  • Retrospective study of five patients diagnosed with PG between 2010 and 2013.
  • Evaluation of clinical data including lesion characteristics, histopathology, comorbidities, and treatment protocols.

Main Results:

  • All five patients (3 male, 2 female; age 19-58) presented with ulcerative lesions, primarily on lower limbs.
  • Systemic diseases, including inflammatory bowel disease and autoimmune conditions, were present in all patients.
  • Complete healing was achieved in all cases within 1-3 months using systemic corticosteroids +/- immunosuppressants; no recurrence was reported.

Conclusions:

  • Systemic corticosteroids, often with steroid-sparing agents, are the primary treatment for Pyoderma gangrenosum.
  • Prompt dermatological consultation is recommended for non-healing ulcers to ensure timely diagnosis and management of PG.