Pyostomatitis vegetans - Oral Mucosal Lesion
Related topic: pyodermatitis vegetans
K12.1 – Other forms of stomatitis
38438008 – Pyostomatitis vegetans
Differential Diagnosis & Pitfalls
- Herpetiform aphthae – Multiple small, painful ulcers on the nonkeratinized mucosa such as the buccal and labial mucosa (PSV does not tend to be painful).
- Recrudescent herpes simplex virus – These lesions are extremely painful and occur on the keratinized mucosa of the attached gingiva.
- Pemphigus vulgaris
- Lichen planus
- Mucous membrane pemphigoid
- Chronic (oral) erythema multiforme
- Chemotherapy-induced mucositis
- Reactive infectious mucocutaneous eruption (RIME)
- Behçet disease
- Pemphigus vegetans
- Paraneoplastic pemphigus
- Secondary syphilis
- IgA pemphigus – Oral involvement is rare.
- Subcorneal pustular dermatosis – Oral involvement is rare.