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Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus

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Cutaneous erythematous lupus with acneiform presentation.

Gabriela C Caputo, Carolina Sh Bartos, Carla Pagliari

¹Centro Universitario Saude ABC Medical School, Santo Andre, Sao Paulo, Brazil Alergoskin, Santo Andre, Sao Paulo, Brazil. prcriado@uol.com.br.

Dermatology Online Journal

|March 13, 2024

Summary

Cutaneous lupus erythematosus (CLE) can mimic acne, leading to underdiagnosis. Early histopathologic diagnosis is crucial for recognizing CLE

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Area of Science:

Dermatology
Immunology

Background:

Cutaneous lupus erythematosus (CLE) presents with diverse clinical manifestations.
Acneiform presentations of CLE are often misdiagnosed as inflammatory acne.

Observation:

A 57-year-old woman presented with a nine-month history of facial blemishes, nodules, and swelling, initially treated as acne.
Examination revealed malar nodules, comedones, pustules, atrophic scars, and hyperpigmentation.
Ear itching was also noted.

Findings:

Histopathology showed atrophic epidermis, hyperkeratosis, vacuolar degeneration, lymphohistiocytic infiltrate, and mucin deposits.
These findings confirmed CLE despite the acneiform appearance.

Implications:

This case highlights the importance of considering CLE in acneiform eruptions.
Histopathological examination is essential for accurate diagnosis of CLE.
Recognizing the varied presentations of CLE is key for timely and appropriate patient management.