Related Experiment Video
Updated: Jun 28, 2025

Author Spotlight: Oral Candida Diagnosis to Advance Clinical Treatment Regimen for pSS Patients
Published on: March 1, 2024
Pyostomatitis vegetans characterized by unilateral circumscribed swelling: a case report
Minhui Ruan1, Jiongke Wang1, Xin Zeng1
1State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases & Dept. of Oral Medicine, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
Pyostomatitis vegetans (PSV), a rare pustular disease, often presents with oral "snail-track" lesions and is linked to inflammatory bowel disease. This case highlights its association with ulcerative colitis, aiding clinical diagnosis and treatment strategies.
Area of Science:
- Oral Medicine
- Dermatology
- Gastroenterology
Background:
- Pyostomatitis vegetans (PSV) is a rare oral mucosal disease characterized by pustules and "snail-track" lesions.
- PSV is frequently associated with underlying inflammatory bowel disease (IBD), particularly ulcerative colitis (UC).
- The clinical presentation can be variable, sometimes including unusual features like unilateral swelling.
Related Concept Videos
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Peptic Ulcer Disease V: Surgical Management and Nursing Care
Surgical Interventions for Peptic Ulcer Disease
Pneumonia I: Introduction
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Peptic Ulcer Disease I: Introduction
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...
Tonsillitis I: Introduction
Etiology
Three primary contributing factors have been identified.

