Mycoplasma pneumoniae infection complicated by paroxysmal cold hemoglobinuria with anti-P specificity of biphasic hemolysin.
A 7-year-old boy with Mycoplasma Pneumoniae infection complicated by transitory paroxysmal cold haemoglobinuria (PCH) is described. The Donath-Landsteiner-antibody exhibited anti-P specificity; hemolytic activity was partially inhibited against papainized erythrocytes at 0 degrees C incubation temperature and increased from 8 degrees C upwards. The association of Mycoplasma pneumoniae infection with PCH has been described 4 times only and in one instance where specificity was stated it was anti-I.
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