What is chronic lichenoid inflammation?
Introduction. Lichenoid vulvar dermatoses, which include lichen sclerosus (LS), lichen planus (LP), and lichen simplex chronicus (LSC), are chronic inflammatory conditions that can manifest with a variety of symptoms, most commonly pruritus or pain.
What is lichen Nitidus?
Lichen nitidus is an uncommon, inflammatory skin condition. It appears as small, skin-colored, raised bumps (papules). Lichen nitidus (LIE-kun ni-TIE-dus) is a rare skin condition that usually appears as tiny, skin-colored, glistening bumps on the surface of your skin.
What does lichenoid drug eruption look like?
Lichenoid drug eruption, also called drug-induced lichen planus, is an uncommon cutaneous adverse effect of several drugs [1-4]. It is characterized by a symmetric eruption of flat-topped, erythematous or violaceous papules resembling lichen planus on the trunk and extremities.
Which is the most common drug associated with lichenoid like eruptions?
Medications commonly reported to trigger a lichenoid drug eruption include: Antihypertensives – ACE inhibitors, beta-blockers, nifedipine, methyldopa. Diuretics – hydrochlorothiazide, frusemide, spironolactone. Non-steroidal anti-inflammatory drugs (NSAIDs)
Is lichenoid inflammation cancerous?
Lichenoid keratosis is harmless and usually clears up on its own. This skin condition isn’t known to cause any type of skin cancer.
How long does lichenoid drug eruption last?
Generally, the latent period is 2–3 months (although this can vary for different drugs) and has even been reported to develop after the drug has been ceased.
What is lichenoid keratosis (lichen planus)?
Lichenoid keratosis is also known as benign lichenoid keratosis, solitary lichen planus, lichen planus-like keratosis and involuting lichenoid plaque. It is one of the causes of atypical solar lentigo.
What is the difference between lichenoid and lichen simplex?
The clinician defines lichenoid differently to mean papules or plaques resembling lichen (symbiotic growth of algae and fungi) stuck on the skin. Some diseases that are lichenoid clinically are not lichenoid histologically (e.g., lichen simplex chronicus and lichen spinulosus).
How are lichen planus and Lichenoid drug eruptions differentiated?
Lichenoid drug eruptions resemble lichen planus clinically, but the lesions are often larger, and there is no mucosal involvement. Lichenoid drug reactions frequently occur months to years after the initiation of drug therapy.
Which histologic findings are characteristic of lichenoid keratosis (LK)?
Lichenoid keratosis is characterized by a single lesion with a lichenoid lymphocytic infiltrate. Vacuolar interface change along the dermal-epidermal junction is a universal finding.