[Alloimmunity and autoimmunity. I. Skin aspects].

Graft versus host reaction and autoimmunity. Acute cutaneous lesions and lupus erythematous. Clinical features Histological and ultrastructural features Immunopathological features Immunoglobulin deposits and circulating immune complexes Class II antigens Lymphocyte phenotypes Mechanisms leading to chronic lesions. Cutaneous aspects of chronic graft versus host-disease Early lichenoid eruption and idiopathic lichen planus. Clinical features Histological and ultrastructural features Lymphocyte phenotypes Late sclerotic phase and scleroderma Clinical features Histological and ultrastructural features Collagen immunotyping Pathological mechanisms.