Update on lichen planus and its clinical variants.

Area of Science:

• Dermatology
• Inflammatory skin conditions
• Pathology

Background:

• Lichen planus (LP) is an inflammatory skin disease with distinct clinical and histopathological features.
• LP presents with classic pruritic, polygonal, violaceous papules and plaques, but numerous variants exist.
• Rarer LP variants can exhibit diverse morphologies, challenging clinical diagnosis.

Purpose of the Study:

• To review the varied presentations of lichen planus and its variants.
• To emphasize the diagnostic role of histopathology in recognizing diverse LP forms.
• To discuss management strategies for lichen planus and its variants.

Main Methods:

• Literature review of case reports and studies on lichen planus and its variants.
• Analysis of clinical and histopathological findings across different LP presentations.
• Synthesis of information on therapeutic approaches for LP management.

Main Results:

• Lichen planus exhibits significant morphological diversity, including oral, nail, and hypertrophic forms.
• Histopathological examination reveals consistent features across LP variants, crucial for accurate diagnosis.
• Management strategies are tailored to lesion severity and location, often involving topical corticosteroids.

Conclusions:

• Familiarity with the spectrum of lichen planus presentations is essential for timely diagnosis.
• Histopathology is key to identifying both classic and rare variants of lichen planus.
• Effective management of lichen planus and its variants focuses on symptom control and resolution.