A hollow, crusted area caused by scratching or picking at a primary lesion.
primary lesion is a macule, papule, pustlie, vesicle secondary lesion is a ulcer, crust, scar, skin atrophy, excoriation
crater like lesion of the skin or mucous membrane, erosion, excoriation?
An erosion is a secondary skin lesion where the epidermis is lost, leaving a moist, shallow depression in the skin. It results from damage to the skin surface, such as scratching or picking at a primary lesion like a blister or ulcer. Erosions typically appear red and are prone to infection.
Rough, thick epidermis with exaggerated skin lines. This is often a characteristic of scratch dermatitis and atopic dermatitis.
A primary lesion occurs as a result of a spontaneous manifestation of a pathological process - includes macules, papules, nodules, tumours, plaque, vesicles, bullae, pustules, wheals, burrows and telangiectasiaA secondary lesion occurs as a result of the evolution of a disease, or from external trauma - they may evolve from primary lesions - includes scales, crust, atrophy, lichenification, erosion, excoriation, fissure, ulceration, scars, eschars, keloidsIf it is hard to distinguish just think that if you don't look after a disease, or skin condition correctly then secondary skin problems can occur - just like how if you don't apply moisture to sunburn it can blister and peel
Excoriation in a dog refers to a skin lesion caused by self-trauma, such as scratching or licking. It can result from underlying allergies, infections, parasites, or psychological issues. Treatment involves addressing the underlying cause and preventing further self-inflicted damage.
An area of skin that has become very thin and wrinkled. Normally seen in older individuals and people who are using very strong topical corticosteroid medication.
A dried collection of blood, serum, or pus. Also called a scab, a crust is often part of the normal healing process of many infectious lesions.
A raised lesion filled with pus. A pustule is usually the result of an infection, such as acne, imptigeo, or boils.
hyperleratotic skin lesion
Sometimes the purpose of skin lesion removal is to excise an unsightly mole or other cosmetically unattractive skin growth.
vascular lesion