On False-Positive Results with the P-Toluene-Sulfonic Acid Precipitation Test for Systemic Lupus Erythematosus

1959 ◽  
Vol 5 (1) ◽  
pp. 223-228
Author(s):  
H. Julkunen ◽  
W. J. Kaipainen ◽  
Ilmari Palva
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
False Positive ◽  
Sulfonic Acid ◽  
Acid Precipitation ◽  
Systemic Lupus ◽  
Toluene Sulfonic Acid ◽  
Positive Results ◽  
Precipitation Test

Confirmed False Positive Proteinuria in Patients with Systemic Lupus Erythematosus Taking Hydroxychloroquine: a Spot Sample Measurement

2015 ◽  
Vol 61 (05+06/2015) ◽  
Author(s):  
Jiunn-Min Wang ◽  
Jen-Ying Li ◽  
Wei-Chang Huang ◽  
Chih-Yu Wen ◽  
Ching-Hsiao Lee ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
False Positive ◽  
Systemic Lupus ◽  
Sample Measurement

False positive seroreactivity to Borrelia burgdorferi in systemic lupus erythematosus: the value of immunoblot analysis

Lupus ◽  
1995 ◽  
Vol 4 (2) ◽  
pp. 131-137 ◽  
Author(s):  
Nancy L Weiss ◽  
Victoria A Sadock ◽  
Leonard H Sigal ◽  
Mark Phillips ◽  
Parvin F Merryman ◽  
...  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Borrelia Burgdorferi ◽  
Lupus Erythematosus ◽  
False Positive ◽  
Immunoblot Analysis ◽  
Systemic Lupus

Prothrombin as Co-Factor of the Circulating Anticoagulant in Systemic Lupus Erythematosus?

1959 ◽  
Vol 03 (02) ◽  
pp. 237-256 ◽  
Author(s):  
A Loeliger ◽  
E. J. J Alsbach ◽  
Keyword(s):  
Systemic Lupus Erythematosus ◽  
Lupus Erythematosus ◽  
False Positive ◽  
Immune Reaction ◽  
Serum Proteins ◽  
Normal Values ◽  
Systemic Lupus ◽  
Flocculation Test ◽  
Tissue Thromboplastin ◽  
Possible Cause

SummaryA 35-year old man with lupus erythematosus of the skin is demonstrated, who also shows signs of systemic L. E.: sometimes slightly increased ESR, varying thrombocytopenia, slightly prolonged coagulation and prothrombin time, positive cepnalin-cholesterol flocculation test, biologically false positive syphilis reactions and signs of a slightly increased haemolysis. Electrophoretic examination of the serum proteins presents practically normal values, certainly no hypergammaglobulinaemia. Analytical examination of coagulation reveals hypoprothrombinaemia and an anticoagulant most probably directed against thrombocyte factor 3, intrinsic thromboplastin and tissue thromboplastin. The anticoagulant seems to be only active in the presence of prothrombin. Prothrombin therefore, is considered a co-factor of the anticoagulant. The inactive anticoagulant is localized in the gamma globulins. The possible cause of the hypoprothrombinaemia (immune reaction?) and the data in the literature are discussed.

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