Atrophoderma of Pierini and Pasini is thought to possibly represent a late stage of morphea a type of localized scleroderma. Signs and symptoms ofatrophoderma of Pierini and Pasini include multiple oval, darkened (hyperpigmented) plaques in which tissue under the skin breaks downso that there is a depression (dent) within the skin. Some findings suggest that atrophoderma of Pierini and Pasini may be associated with B burgdorferi, a bacteria that causesLyme disease, in some cases.