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. 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. Macule: Macules are circumscribed alterations in skin color. 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 blood and fluids that emerge from the surface form a thin crust, resulting in a skin lesion. Descriptive terms (#1 – 15 are usually considered primary lesions) Term Definition 1. Causes include venous stasis dermatitis , physical trauma with or without vascular compromise (eg, caused by decubitus ulcers or peripheral arterial disease ), infections, and vasculitis . Example: Neurotic excoriations from habitual picking. EXCORIATION - A skin abrasion that is usually superficial and due to scratching of the skin. NE is not to be confused with dermatitis artefacta, in which the lesions appear mysteriously and the patient stridently denies any part in … Certain skin diseases can result in marks on the skin that are classified as excoriations. The skin surface is neither Other BFRBs include pulling hair or picking nails. What that is, is just linear erosion marks. It’s also called a body-focused repetitive behavior (BFRB). Excoriations may be linear or focal. The term eczema is often colloquially used to define the disease atopic dermatitis. The term eczema also refers to an inflammation of the skin. Just as if a cat scratched you. 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. Excoriation: a punctate or linear abrasion produced by mechanical means (often scratching), usually involving only the epidermis, but commonly reaching the papillary dermis. Ulcers result from loss of the epidermis and at least part of the dermis. -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. An excoriation refers to any scratch, shallow cut or lesion on the skin. FISSURE - Sharply defined linear or wedge-shaped tears in the epidermis with abrupt walls. Well, I’ll tell you. Let’s start with excoriation. Excoriation of the skin is a somewhat technical term for damage that is done by excessive picking or scratching of the skin’s surface. Skin-picking disorder is a repetitive “self-grooming” behavior. 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