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Vesicular pemphigoid--ultrastructural and immunoelectron microscopic study
K Hayakawa1, H Shimizu, M Amagai
1Department of Dermatology, Keio University, School of Medicine, Tokyo, Japan.
Dermatologica
|January 1, 1989
Summary
This study presents a case of vesicular pemphigoid with atypical clinical features but typical immunopathology. The patient responded well to corticosteroid and dapsone treatment, confirming the diagnosis of pemphigoid.
Area of Science:
- Dermatology
- Immunodermatology
Background:
- Pemphigoid is an autoimmune blistering disease.
- Vesicular pemphigoid presents with small vesicles, often without large blisters.
Observation:
- A patient presented with numerous small vesicles and erythema.
- Large blisters were clinically absent.
Findings:
- Immunofluorescence revealed IgG and C3 deposition at the basement membrane zone.
- Immunoelectron microscopy confirmed deposition at the basal cell membrane and lamina lucida.
- Electron microscopy showed subepidermal vacuoles in early lesions.
Implications:
- This case highlights atypical clinical presentations of pemphigoid.
- Combined corticosteroid and dapsone therapy can be effective.
- Immunopathology is crucial for diagnosing atypical pemphigoid cases.