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Erythema gyratum repens-like psoriasis.
S Jablonska1, M Blaszczyk, A Kozlowska
1Department of Dermatology, Warsaw School of Medicine, Warsaw, Poland. sjablons@bibl.amwaw.edu.pl
International Journal of Dermatology
|October 24, 2000
Summary
This case study describes a patient initially suspected of tinea imbricata due to ring-like skin lesions. The condition evolved into psoriasis, highlighting the importance of long-term observation for accurate diagnosis.
Area of Science:
- Dermatology
- Medical Mycology
- Immunology
Background:
- A 28-year-old male presented with a unique, centrifugally spreading, scaly eruption resembling tinea imbricata.
- Initial investigations, including mycological studies and histology, were inconclusive for fungal infection.
Observation:
- The patient exhibited characteristic concentric ring lesions with a raised, scaling edge, but lacked itching.
- Despite negative mycological exams and antifungal treatment, the lesions evolved over several years.
- Transitional blood eosinophilia and serological evidence of Hepatitis B virus (HBV) infection were noted.
Findings:
- Histological examination evolved from non-specific inflammation to findings consistent with psoriasis.
- The patient showed a significant clinical improvement with minimal treatment, despite initial resistance to antifungals.
- The eruption transformed into plaque psoriasis with some abortive pustular psoriasis features.
Implications:
- This case underscores the diagnostic challenges posed by unusual dermatological presentations.
- It highlights the potential for misdiagnosis when clinical appearance mimics superficial infections.
- The study emphasizes the value of serial histological evaluation and long-term patient follow-up in complex dermatological cases.