Classification Stages I to IV of a<unk>  The definitions of the<unk>  stages are revised periodically by the National<unk>  Injury Advisory Panel (NPUAP) in the United States and the European<unk>  Advisory Panel (EPUAP) in Europe. Different classification systems are used around the world, depending upon the health system, the health discipline and the<unk> rpose for the classifying (e.g. health care versus, prevalence studies versus funding. Briefly, they are as follows: * Stage I: Intact skin with non-blanchable redness of a localized area usually over a bony prominence. Darkly pigmented skin may not have visible blanching; its color may differ from the surrounding area. The area differs in characteristics such as thickness and temperature as compared to adjacent tissue. Stage 1 may be difficult to detect in individuals with dark skin tones. May indicate "at risk" persons (a heralding sign of risk). * Stage II: Partial thickness loss of dermis presenting as a shallow open ulcer with a red pink wound bed, without slough. May also present as an intact or open/ruptured serum-filled blister. Presents as a shiny or dry shallow ulcer without slough or bruising. This stage should not be used to describe skin tears, tape burns, perineal dermatitis, maceration or excoriation. * Stage III: Full thickness tissue loss. Subcutaneous fat may be visible but bone, tendon or muscle are not exposed. Slough may be present but does not obscure the depth of tissue loss. May include undermining and tunneling. The depth of a stage 3<unk>  varies by anatomical location. The bridge of the nose, ear, occiput and malleolus do not have (adipose) subcutaneous tissue and stage 3 ulcers can be shallow. In contrast, areas of significant adiposity can develop extremely deep stage 3<unk> s. Bone/tendon is not visible or directly palpable. * Stage IV: Full thickness tissue loss with exposed bone, tendon or muscle. Slough or eschar may be present on some parts of the wound bed. Often include undermining and tunneling. The depth of a stage 4<unk>  varies by anatomical location. The bridge of the nose, ear, occiput and malleolus do not have (adipose) subcutaneous tissue and these ulcers can be shallow. Stage 4 ulcers can extend into muscle and/or supporting structures (e.g., fascia, tendon or joint capsule) making osteomyelitis likely to occur. Exposed bone/tendon is visible or directly palpable. In 2012, the National<unk>  Injury Advisory Panel stated that<unk> s with exposed cartilage are also classified as a stage 4. * Unstageable: Full thickness tissue loss in which actual depth of the ulcer is completely obscured by slough (yellow, tan, gray, green or brown) and/or eschar (tan, brown or black) in the wound bed. Until enough slough and/or eschar is removed to expose the base of the wound, the true depth, and therefore stage, cannot be determined. Stable (dry, adherent, intact without erythema or fluctuance) eschar on the heels is normally protective and should not be removed. * Suspected deep tissue injury: A<unk> rple or maroon localized area of discolored intact skin or blood-filled blister due to damage of underlying soft tissue from<unk>  and/or shear. The area may be preceded by tissue that is painful, firm, mushy, boggy, warmer or cooler as compared to adjacent tissue. A deep tissue injury may be difficult to detect in individuals with dark skin tones. Evolution may include a thin blister over a dark wound bed. The wound may further evolve and become covered by thin eschar. Evolution may be rapid exposing additional layers of tissue even with optimal treatment. The term medical device related<unk>  refers to a cause rather than a classification.<unk> s from a medical device are classified according to the same classification system being used for<unk> s arising from other causes, but the cause is usually noted. Ischemic fasciitis Ischemic fasciitis (IF) is a benign tumor in the class of fibroblastic and myofibroblastic tumors that, like<unk> s, may develop in elderly, bed-ridden individuals. These tumors commonly form in the subcutaneous tissues (i.e. lower most tissue layer of the skin) that overlie bony protuberances such as those in or around the hip, shoulder, greater trochanter of the femur, iliac crest, lumbar region, or scapular region. IF tumors differ from<unk> s in that they typically do not have extensive ulcerations of the skin and on histopathological microscopic analysis lack evidence of acute inflammation as determined by the presence of various types of white blood cells. These tumors are commonly treated by surgical removal.
Pressure ulcer
Venous ulcer
Arterial insufficiency ulcer
Hair loss
Linguatulosis
Gangrene
Diabetic foot ulcer
Veinoplus