Donath landsteiner test is used in diagnosis of ?-
Paroxysmal cold haemoglobinuria (PCH). In PCH, cold antibody is an IgG antibody (Donath-Landsteiner antibody) which is directed against P blood group antigen and brings about complement-mediated haemolysis. Attacks of PCH are precipitated by exposure to cold. PCH is uncommon and may be seen in association with teiary syphilis or as a complication of ceain infections such as Mycoplasma pneumonia, flu, measles and mumps HARSH MOHAN Text book of pathology 6th edition pg no 313
Paroxysmal nocturnal hemoglobinuria
Paroxysmal cold hemoglobinuria
March hemoglobinuria
Favism
miscellaneous