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Follicular Lichen Planus? Presented by J. Harry Katz, MD.
A 43-year-old well-nourished white male patient states that he first noticed a rash on his arms about four months ago. The rash spread gradually and involved large portions of the body. There has been considerable pruritus.
The patient presents a widespread follicular papular dermatosis. The lesions involve the follicular orifices and vary from erythematous to violaceous in color. There has been loss of hair from the follicles particularly on the extremities. Close examination reveals that the lesions themselves are shiny and flat topped and resemble lichen planus.
Patient has responded to triamcinolone 8 mg daily. The pruritus has subsided and the lesions are becoming less raised and browner.
Biopsy report as follows: "The epidermis appears normal except for invasion of the epidermis by inflammatory cells and suggestion of Pautrier's abscess. Diagnosis was nonspecific dermatitis, faintly
MANHATTAN DERMATOLOGICAL SOCIETY. Arch Dermatol. 1966;93(2):258–260. doi:10.1001/archderm.1966.01600200114024
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