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Scar sarcoidosis in pseudofolliculitis barbae
S A Norton1, R S Chesser, J E Fitzpatrick
1Department of Medicine, Fitzsimons Army Medical Center, Aurora, CO 80045.
Military Medicine
|July 1, 1991
Summary
This case report details sarcoidosis affecting facial lupus pernio and beard pseudofolliculitis barbae (PFB). It highlights PFB lesions as potential biopsy sites for diagnosing sarcoidosis.
Area of Science:
- Dermatology
- Immunology
- Pathology
Background:
- Sarcoidosis is a multisystem inflammatory disease often presenting with cutaneous manifestations.
- Lupus pernio and pseudofolliculitis barbae (PFB) are distinct dermatological conditions.
- The association between sarcoidosis and PFB has not been previously reported.
Observation:
- A patient presented with facial lupus pernio and PFB in the beard area, alongside hilar adenopathy.
- Both lupus pernio and PFB lesions were biopsied.
Findings:
- Biopsies from both lupus pernio and PFB lesions revealed non-caseating granulomas.
- Histopathological findings were consistent with sarcoidosis.
- This represents the first documented case of sarcoidosis infiltrating PFB lesions.
Implications:
- This case establishes a novel association between sarcoidosis and PFB.
- Enlarged PFB lesions may serve as valuable sites for sarcoidosis biopsy confirmation.
- The development of keloid-like papules in PFB could indicate early cutaneous signs of undiagnosed systemic sarcoidosis.