A circular patch of ringworm on the arm

There are several clinical possibilities for this condition, most commonly if it occurs singly and not much or obvious in other parts of the body, it may be coin-shaped eczema. The exact cause of coin-shaped eczema is not quite clear, mainly because of localized inflammatory skin metaplasia, however, the lesions appear round, similar to the shape of a coin, and sometimes there may be a certain amount of inflammatory However, the lesions are round and resemble the shape of a coin, and sometimes there may be some inflammatory exudation with pruritic symptoms. It is also possible that ringworm may develop in the area as a result of fungal infection, and ringworm may also appear in a round shape, so that a certain amount of scaling may also appear around it and produce a certain amount of central healing. In addition, it is also possible that other dermatological manifestations, such as the appearance of telecentric annular erythema or the formation of a local allergic reaction due to the appearance of contact dermatitis, may also be possible.