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40-Year-Old Female with Asymptomatic Rash on Chin

Can you diagnose this case?

David L. Kaplan 2014 Series Editor @ University of Missouri – Kansas City School of Medicine

Signs and Symptoms

A 40-year-old female presented with a several month history of rash on her chin, which was asymptomatic. She is otherwise healthy and has no other rashes.

What is responsible for her rash?

Choose one to reveal diagnosis and discussion

Morphea
Lichen sclerosus
Dermatophyte infection
Cutaneous lupus erythematosus
Vitiligo

Answer: Cutaneous lupus erythematosus

See the full case at Consultant360

A biopsy confirmed the clinical impression of cutaneous lupus. This particular lesion was mostly burnt out and will only partially improve with hydroxychloroquine therapy.

Differential Diagnosis: Morphea and lichen sclerosus are not usually seen on the face. Dermatophyte infections usually are more inflammatory and scaly. Vitiligo should be more depigmented, unlike what is seen here.

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