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Bullous pemphigoid evolving into cicatricial pemphigoid?
C C Banfield1, E Papadavid, P Frith
1Department of Dermatology, Churchill Hospital, Headington, Oxford, UK.
Clinical and Experimental Dermatology
|January 1, 1997
Summary
Bullous pemphigoid and cicatricial pemphigoid may represent a single disease spectrum, challenging clinical diagnosis. Falling autoantibody titers accompanied mucosal scarring in three patients.
Area of Science:
- Immunodermatology
- Autoimmune Blistering Diseases
Background:
- Bullous pemphigoid (BP) and cicatricial pemphigoid (CP) are autoimmune blistering diseases.
- Distinguishing between BP and CP can be clinically challenging.
- Both conditions share common target antigens and the DQ7 human leukocyte antigen allele.
Observation:
- Three patients initially diagnosed with BP based on clinical and immunological findings later exhibited characteristics of CP.
- These patients developed mucosal scarring.
- A decrease in autoantibody titers was observed in conjunction with mucosal scarring.
Findings:
- The clinical course suggests a potential overlap or spectrum between BP and CP.
- Autoantibody titers may decrease as the disease progresses towards cicatricial manifestations.
- Shared immunogenetic factors (antigens, DQ7 allele) support a unified disease concept.
Implications:
- These cases highlight diagnostic challenges in autoimmune blistering diseases.
- The findings support the hypothesis that BP and CP are part of a single disease spectrum.
- Further research is needed to identify factors determining disease phenotype expression.