Secondary cold-reactive autoimmune hemolytic anemia is found most often in patients with:
a. Hemolytic disease of the newborn caused by anti-A or anti-D
b. Acute myeloid leukemia and chronic myleogenous leukemia
c. Mycoplasma pneumoniae or infectious mononucleosis
d. Hereditary spherocytosis or hereditary elliptocytosis
ANS: C
Cold-reactive autoimmune hemolytic anemia caused by anti-A or anti-D is sometimes secondary after infections such as M. pneumoniae and infectious mononucleosis.
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