本文介绍了皮肤试验在红斑性狼疮的诊断价值。资料和方法:对临床和化验已确定诊断而皆未经治疗过的红斑性狼疮患者作皮肤试验,另对不同疾病的患者和健康人作对照试验,同时每人作皮内注射0.3%Nacl水溶液0.1毫升以及用D.N.A溶液作沉淀试验。按下述方法将D.N.A(去氧核醣核酸)配制成0.1％的盐液:D.N.A100毫克溶解在0.1N N_2OH溶液5毫升内,用蒸馏水加至50毫升,以0.1N HCl矫 This article describes the diagnostic value of skin tests in lupus. MATERIALS AND METHODS: Skin tests were performed on patients with clinically and laboratory confirmed lupus erythematosus and untreated patients. Controlled trials were performed on patients with different diseases and healthy individuals. Each group received intradermal injection of 0.3% aqueous Nacl solution 0.1 ml and precipitation test with DNA solution. D.N.A (deoxyribonucleic acid) was formulated as a 0.1% salt solution as follows: 100 mg of D.N. A was dissolved in 5 ml of 0.1 N N 2 OH solution, added to 50 ml with distilled water,