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Chronic ulcerative stomatitis: Case series of an under-recognized entity
Eugene M Ko1,2, Theodora E Danciu1, Douglas R Fullen3,4
1Department of Periodontics and Oral Medicine, School of Dentistry, University of Michigan, Ann Arbor, Michigan.
Journal of Cutaneous Pathology
|August 31, 2018
Summary
Chronic ulcerative stomatitis (CUS) causes persistent oral ulcers and erosions, often misdiagnosed as oral lichen planus (LP). Direct immunofluorescence is key to distinguishing CUS for proper treatment.
Area of Science:
- Oral Medicine
- Dermatopathology
- Immunofluorescence
Background:
- Chronic ulcerative stomatitis (CUS) is an under-recognized oral mucosal condition.
- It is frequently misdiagnosed as oral erosive lichen planus (LP).
- Accurate diagnosis is crucial for effective management.
Observation:
- Five cases of CUS are presented to increase awareness.
- Patients exhibited symptoms such as desquamative gingivitis and oral erosions.
- Biopsies revealed lichenoid mucositis.
Findings:
- Direct immunofluorescence demonstrated characteristic epithelial nuclear IgG deposition in CUS.
- This finding is distinct from the immunofluorescence profile of oral LP.
- Distinguishing CUS from oral LP is possible through specific diagnostic markers.
Implications:
- Direct immunofluorescence is a critical diagnostic tool for CUS.
- Improved recognition of CUS can lead to earlier and more accurate diagnoses.
- This distinction facilitates appropriate therapeutic interventions for CUS patients.
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