This is an actual behavioral disorder and one that can be very dangerous, as it leads to sores, open skin, scarring, and the potential for infection. NE is not to be confused with dermatitis artefacta, in which the lesions appear mysteriously and the patient stridently denies any part in … Inflammation of the skin. Let’s start with excoriation. Fissures are usually seen as a consequence of a loss of skin elasticity. FISSURE - Sharply defined linear or wedge-shaped tears in the epidermis with abrupt walls. The term eczema is often colloquially used to define the disease atopic dermatitis. The blood and fluids that emerge from the surface form a thin crust, resulting in a skin lesion. Causes include venous stasis dermatitis , physical trauma with or without vascular compromise (eg, caused by decubitus ulcers or peripheral arterial disease ), infections, and vasculitis . EXCORIATION - A skin abrasion that is usually superficial and due to scratching of the skin. Descriptive terms (#1 – 15 are usually considered primary lesions) Term Definition 1. Skin-picking disorder is a repetitive “self-grooming” behavior. It’s also called a body-focused repetitive behavior (BFRB). Certain skin diseases can result in marks on the skin that are classified as excoriations. The term eczema also refers to an inflammation of the skin. Macule: Macules are circumscribed alterations in skin color. An excoriation refers to any scratch, shallow cut or lesion on the skin. Excoriation of the skin is a somewhat technical term for damage that is done by excessive picking or scratching of the skin’s surface. An excoriation is a linear erosion caused by scratching, rubbing, or picking. The term neurotic excoriations (NE) refers to a condition in which the patient picks at his or her own skin, and freely acknowledges that he or she is creating the lesions. What that is, is just linear erosion marks. Other BFRBs include pulling hair or picking nails. Example: Neurotic excoriations from habitual picking. There can be many causes of an excoriation, including unintentional scratching or rubbing against a rough surface. Ulcer: An ulcer is a discontinuity of the skin exhibiting complete loss of the epidermis and often portions of the dermis and even subcutaneous fat. Well, I’ll tell you. Just a cat scratch, That would be a good example of that. -excoriation -lichenification -maceration -fissure -erosion -ulcer Distinct Lesions -wheal/hive -burrow -comedone -atrophy -keloid -fibrosis -petechiae -telangiectasis -milium: Excoriation. Excoriation of the skin refers to lesions on the surface of the skin, following a trauma. Excoriations may be linear or focal. In dogs with the so-called hepatocutaneous syndrome, footpad hyperkeratosis and fissuring often leads to lameness. Ulcers result from loss of the epidermis and at least part of the dermis. Just as if a cat scratched you. 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