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Annually recurring erythema annulare centrifugum: a case report
Victor Desmond Mandel1, Barbara Ferrari2, Marco Manfredini2
1Department of Dermatology, University of Modena and Reggio Emilia, via del Pozzo 71, 41100, Modena, Italy. victor.desmond.mandel@gmail.com.
Journal of Medical Case Reports
|October 27, 2015
Summary
Annually recurring erythema annulare centrifugum presents as a rare skin condition with distinct annual, seasonal flare-ups. This variant, erythema annulare centrifugum, typically resolves on its own each year.
Area of Science:
- Dermatology
- Cutaneous Medicine
Background:
- Erythema annulare centrifugum is a rare skin disease presenting as annular plaques.
- A peculiar variant, annually recurring erythema annulare centrifugum, exhibits yearly seasonal recurrence.
- Underlying conditions should be excluded due to potential associations.
Observation:
- A case of annually recurring erythema annulare centrifugum in a 46-year-old woman is presented.
- Lesions appeared annually during summer months and spontaneously resolved in autumn.
- No precipitating factors or underlying diseases were identified in this case.
Findings:
- Annually recurring erythema annulare centrifugum shares clinical and histopathological traits with the classical superficial form.
- Lesions demonstrate spontaneous regression over days to months.
- The condition is characterized by persistent annual and seasonal recurrence over many years.
Implications:
- This rare variant of erythema annulare centrifugum highlights the importance of recognizing distinct clinical patterns.
- The lack of identified causative agents in most cases suggests idiopathic origins.
- Further research may elucidate specific triggers or pathomechanisms for this recurrent dermatosis.
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