[Acute leukemia with cardiac infiltration].

A nine years old female child with malnutrition who showed, six months before admission, a number of clinical manifestations consistent with leukemia. The outstanding clinical manifestation during her hospital stay was that of pericarditis with effusion, which was found associated with pericardial leukemic infiltration. The final picture was that of cardiorespiratory failure associated, both to leukemic infiltration of these organs, as to that of postoperative hemorrhage.