Steigleder G K, Müller H D, Noack M
Z Hautkr. 1978 Dec 1;53(23):829-33.
Lesions of circumscribed scleroderma clinically appeared as pseudoxanthoma elasticum. The histological structure, however, revealed circumscribed scleroderma. The sclerodactyly, Raynaud's phenomenon, acrosclerosis and the laboratory results suggested systemic sclerosis.