Erosion (medicine)
As erosion (from latin erosion ) is referred to in the medical a secondary skin or mucosal lesion ( efflorescence ) defined by a loss of the epidermis (outer skin) or mucous membranes of the epithelium is intact dermis (sclera) or mucosal intrinsic layer is characterized . Since the dermis / self-layer remains intact, the bottom of an erosion is not bleeding, but can be oozing. Erosions heal, as opposed to the more profound defect in an ulcer ( ulcer ), always without scar formation from.
Erosion can arise from pustules and vesicles . They also occur in certain autoimmune diseases of the skin that are accompanied by detachment of the epidermis (e.g. pemphigus vulgaris ), on the mucous membrane e.g. B. as erosive gastritis .
The term is also used as bone erosion - often synonymous with Usur example in - rheumatology and radiology (caused by inflammation) to disruption and / or destruction of bone and cartilage contour in the joint use or near the joint.
