Related Experiment Video
Updated: Apr 4, 2026

05:39
Dermoscopy Aids in the Diagnosis of Discoid Lupus Erythematosus
Published on: May 16, 2025
873
Wolf's isotopic response, presenting as lichen planus
Mariana Thomaz da Silva Queiroz1, José Roberto Paes de Almeida1, Ângelo Sementilli2
1Centro Universitário Lusíada, Santos, SP, BR.
Anais Brasileiros De Dermatologia
|August 28, 2015
Summary
Wolf's isotopic response is a new skin condition appearing at a healed disease site, often following herpes zoster. This case highlights lichen planus as a rare isotopic response, requiring further research into its cause.
Area of Science:
- Dermatology
- Pathology
- Immunology
Background:
- Wolf's isotopic response is a phenomenon where a new skin disease arises at the site of a previously healed, unrelated skin condition.
- Herpes zoster is the most common preceding condition, with various dermatoses like granulomatous reactions, hematologic infiltrates, tumors, and infections reported.
- Lichen planus as an isotopic response is infrequently documented.
Observation:
- A 74-year-old woman presented with multiple pruritic, rose-colored, shiny papules.
- These lesions emerged specifically at the sites of prior, resolved herpes zoster infection on her right arm and shoulder.
Findings:
- The observed dermatosis was consistent with lichen planus.
- This case represents a rare instance of lichen planus manifesting as Wolf's isotopic response.
Implications:
- The pathogenesis of Wolf's isotopic response remains poorly understood, necessitating further investigation.
- Recognition of lichen planus as a potential isotopic response broadens the differential diagnosis for new lesions at old disease sites.
- Continued research is crucial for elucidating the underlying mechanisms and clinical significance of this phenomenon.

