What Is Lichenoid Keratosis?

Lichen planus keratosis refers to benign keratosis dermatosis with lichen-like histological changes, also known as bryophyte keratosis and benign keratosis. Occurs in the sun-exposed areas of middle-aged and elderly people, showing single keratinized plaques with clear boundaries, and different symptoms.

Basic Information

nickname

Lichenoid keratosis

Visiting department

dermatology

Multiple groups

Middle-aged and elderly

Common locations

Sun exposure

Common causes

still uncertain

Common symptoms

Appears as well-defined keratinized plaques, red to dark red, with uneven pigmentation

still uncertain. It may be the inflammatory phase of some benign lesions such as solar freckles nevus, seborrheic keratosis, large cell echinoderma.

Mostly solitary, showing keratinized plaques with clear borders, red to dark red, partly pigmented, may be accompanied by scales, different symptoms, and may be accompanied by solar freckles-like moles, seborrheic Keratinization.

1. Physical examination mainly involves skin inspection, and keratinized plaques with clear red to dark red borders can be seen in the exposed parts of the sun.
2. Pathological examination showed excessive keratinization, thickened spinous layer, liquefaction and degeneration of basal cells, scattered in poor keratinized cells, infiltration of superficial dermal band lymphocytes, infiltration can reach around the superficial vascular plexus, and superficial dermis often has elastic fibers. transsexual.

It is common in middle-aged and elderly people, combined with the clinical manifestations of single keratotic plaques in the exposed parts of the sun, and pathological examination shows lichen-like pathological changes, which can make a diagnosis.

1. Lichen planus is older and has more rashes. It is mainly purple-red flat papules. Itching is often noticeable. It is not often accompanied by sun-like freckles and seborrheic keratosis. Pathological examination revealed a wedge-shaped thickening of the granular layer, but without keratosis.
2. Basal cell carcinoma is more common in the elderly, and it is more common than the head, face, neck, and back of the hand. It is a waxy, translucent nodule in the early stage, and ulcers appear in the later stage. Pathological examination shows that the basal cells in the dermis are connected to the epidermis. Melt-like masses with a fence-like arrangement of edges, with keratinous cysts.

Can be used topically with fluorouracil cream, liquid nitrogen freezing, electrocautery treatment and surgical resection.

Avoid stress and anxiety, increase confidence, and actively cooperate with treatment; reasonable diet, eat more light and nutritious food, avoid spicy spicy food; keep the skin clean and dry, rinse the skin with water to avoid scratching, heat Wash with water and contact with irritating substances; closely observe changes in skin lesions, and deal with them in time if the condition worsens.