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Updated: Oct 6, 2025

Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus
Published on: May 16, 2025
Dermoscopy, reflectance confocal microscopy, and fluorescence staining for the noninvasive diagnosis of crusted
Li-Wen Zhang1, Cong-Hui Li1, Xue Shen1
1Department of Dermatovenereology, Chengdu Second People's Hospital, Chengdu, Sichuan, China.
Abstract:
A 91-year-old woman presented with a 3-month history of [extensive](;) cutaneous lesions with intense pruritus. She lived in a nursing home for a long time. Physical examination revealed a generalized erythematous and scaly rash with intense hyperkeratotic lesions on the neck, trunk, and limbs. Dermoscopy showed a sinuous burrow filled with white dot eggs and feces on the hand with a mite at the end of the burrow. Reflectance confocal microscopy (RCM) manifested a sinuous burrow and a mite. The presence of mites was confirmed with fluorescence staining. The patient was diagnosed with crusted scabies and started treatment with 10% sulfur ointment. Her lesions and pruritus were resolved after 2 weeks.
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