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[Adult type of idiopathic paroxysmal cold hemoglobinuria]
[Rinsho Ketsueki] the Japanese Journal of Clinical Hematology
|November 1, 1991
Abstract:
A 78-year-old female suffered from idiopathic paroxysmal cold hemoglobinuria (PCH). Her symptom occurred immediately after she worked outside in the cold early morning. This case is characterized by the eldest case with non-syphilitic PCH reported in Japan and by the most advanced anemia (Hb 4.2 g/dl) possibly due to prolonged hemolysis after cold exposure. Analysis of the serum revealed positive Donath-Landsteiner antibody of IgG type, which could react to hemolysis not only below 15 degrees C but also at 15-20 degrees C in vitro.