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Updated: Aug 9, 2026
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Granulocyte-dependent Autoantibody-induced Skin Blistering
Published on: October 12, 2012
[Bullous angiolymphoid hyperplasia with eosinophilia]
Summary
Angiolymphoid hyperplasia with eosinophilia presents a bullous variant, causing inflammatory lesions and blisters on the head. Histopathology reveals characteristic eosinophilic infiltrates and atypical vascular growth.
Area of Science:
- Dermatology
- Pathology
Background:
- Angiolymphoid hyperplasia with eosinophilia (AHHE) is a rare condition.
- A bullous variant of AHHE is described, presenting unique clinical and histological features.
Observation:
- Two patients presented with a bullous variant of AHHE localized to the head.
- Lesions included inflammatory, infiltrated plaques with recurrent bullous eruptions.
- Prurigo-like papules were also noted on the trunk and arms.
Findings:
- Histological examination showed a characteristic pattern.
- Findings included cutaneous lymphocytic infiltrate, lymphoid follicle formation, and atypical vascular proliferation.
- Significant tissue eosinophilia and subepidermal blister formation were observed.
Implications:
- This case series expands the understanding of AHHE variants.
- Recognizing the bullous form is crucial for accurate diagnosis and management.
- Further research into the pathogenesis of bullous AHHE may be warranted.
