A variant of lichen nitidus triggered by sun exposure, with tiny, shiny papules in sun-exposed areas.
A rare eruption in children and young adults with annular red-brown papules and plaques on sun-exposed skin.
An autoimmune disease where the characteristic Gottron's papules over the knuckles are histologically lichenoid.
A form of cutaneous lupus whose lesions (erythematous plaques with scale and atrophy) have a prominent lichenoid (interface) infiltrate on histology.
Also known as ashy dermatosis, this presents as asymptomatic, slowly expanding, ash-gray macules and patches that show a lichenoid infiltrate histologically.
The characteristic target lesions of this hypersensitivity reaction show a vacuolar interface dermatitis that can be considered lichenoid.
A drug reaction recurring in the same location as a dusky plaque, which has a prominent lichenoid and vacuolar interface histology.
The chronic form often presents as a widespread eruption of violaceous papules and plaques that are clinically and histologically indistinguishable from lichen planus.
A rare condition with violaceous, lichenoid papules arranged in a distinctive linear or reticular pattern, often on the limbs.
Presents as an eruption of myriad, tiny (pinpoint-sized), shiny, flat-topped, skin-colored papules.
The classic prototype, characterized by pruritic, purple, polygonal, planar papules and plaques, often with fine white lines (Wickham's striae).
A self-limiting eruption of small, pink, lichenoid papules that form a continuous or interrupted linear band along Blaschko's lines, usually in children.
An eruption that clinically mimics lichen planus but is often more widespread, more eczematous, and appears weeks to months after starting a new medication.
The patch and plaque stages of this cutaneous T-cell lymphoma can have a lichenoid histology.
The acute form of pityriasis lichenoides, presenting with papules that develop hemorrhagic or necrotic centers and heal with scars.
An autoimmune blistering disease associated with malignancy that often presents with severe mucosal erosions and lichenoid skin papules.
A benign inflammatory disorder with recurrent crops of small, reddish-brown, scaly papules that resolve over weeks to months.
The 'great imitator,' which can present with scaly papules and plaques that have a lichenoid histology, often involving the palms and soles.
A photosensitive form of lupus presenting as non-scarring, annular or papulosquamous plaques with a lichenoid histology.
