Inflammation of the skin. -excoriation -lichenification -maceration -fissure -erosion -ulcer Distinct Lesions -wheal/hive -burrow -comedone -atrophy -keloid -fibrosis -petechiae -telangiectasis -milium: Excoriation. Ulcers result from loss of the epidermis and at least part of the dermis. 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. In dogs with the so-called hepatocutaneous syndrome, footpad hyperkeratosis and fissuring often leads to lameness. An excoriation is a linear erosion caused by scratching, rubbing, or picking. Example: Neurotic excoriations from habitual picking. FISSURE - Sharply defined linear or wedge-shaped tears in the epidermis with abrupt walls. 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 . Well, I’ll tell you. 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. 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. The term eczema also refers to an inflammation of the skin. Just as if a cat scratched you. Excoriation of the skin is a somewhat technical term for damage that is done by excessive picking or scratching of the skin’s surface. Certain skin diseases can result in marks on the skin that are classified as excoriations. Excoriation of the skin refers to lesions on the surface of the skin, following a trauma. There are two main types of lesions: primary and secondary.This occurrence is quite common in adults and children, following a slip, fall or rub against a wall. Just a cat scratch, That would be a good example of that. Skin-picking disorder is a repetitive “self-grooming” behavior. What that is, is just linear erosion marks. Macule: Macules are circumscribed alterations in skin color. Excoriations may be linear or focal. There can be many causes of an excoriation, including unintentional scratching or rubbing against a rough surface. And also denuded, that is when you have a loss of epidermis and it’s related to, perhaps, wound drainage on the skin, feces, urine, even some friction. NE is not to be confused with dermatitis artefacta, in which the lesions appear mysteriously and the patient stridently denies any part in … Descriptive terms (#1 – 15 are usually considered primary lesions) Term Definition 1. Other BFRBs include pulling hair or picking nails. 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