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Lichenoid dermatosis. A clinical and histopathological study
Khalifa E Sharquie1, Khudaier K Al-Azzawy
1Department of Dermatology & Venereology, College of Medicine, Baghdad University, Baghdad, Iraq.
Saudi Medical Journal
|December 31, 2002
Summary
A new skin condition, lichenoid dermatosis, affecting young males on the neck, has been identified. It presents as asymptomatic, dark-red plaques and is linked to solar radiation.
Area of Science:
- Dermatology
- Pathology
Background:
- A distinct skin condition has been observed on the neck of young adults for a decade.
- This prompted an investigation into its clinical and histopathological characteristics.
Purpose of the Study:
- To evaluate the clinical and histopathological features of a distinctive neck skin problem.
- To determine if this condition warrants a unique classification.
Main Methods:
- A study involving 30 patients (29 males, 1 female) aged 11-50 years.
- Clinical examination and patient interrogation were conducted.
- Skin biopsies were performed on 10 patients.
Main Results:
- The condition predominantly affects young males, appearing in summer.
- Clinical presentation includes dark-red to violaceous, rounded/oval plaques on the neck, primarily asymptomatic.
- Histopathology shows similarities to actinic lichen planus but with increased dermal vascularity.
Conclusions:
- The condition is proposed to be named lichenoid dermatosis, induced by solar radiation.
- It shares similarities with actinic lichen planus and may be confused with lichen simplex chronicus.