Hypolastic leukemia in brothers is reported.
First case, a 54-year-old man admitted to our hospital in July, 1974 because of general fatigue and palpitation. There was no hepatosplenomegaly and no bleeding tendency. Blood counts revealed white cell count of 1,300 with 23% neutrophils and 75% lymphoid cells. The hemoglobin was 5.6 g/d
l. The bone marrow was quite hypocellular with about 20% myeloblasts with very fine chromatin, prominent nucleoli and no Auer body. A diagnosis of hypoplastic myeloid leukemia was made. The patient was treated with blood transfusions and protein anabolic steroid. In the fourty admission for bloodtansfusion, fever and hematomesis suddenly occurred. He died of pneumonia and bleeding of stomach in May, 1975.
Second case, a 56-year-old man, his younger brother, was admitted in February, 1980 because of anemia. The liver edge was felt 1.5 cm below the costal margin, but the spleen was not palpable. There was no lymphoadenopathy and no bleeding tendency. Blood counts revealed white cell count of 1,500 with 32% neutrophils and 62% lymphoid cells. The hemoglobin was 9.2 g/d
l. The bone marrow was quite hypocellular with about 20% myeloblasts with very fine chromatin, prominent nucleoli and no Auer body. This finding was very similar to those of the first case. A diagnosis of hypoplastic myeloid leukemia was made. He was treated with blood transfusions. In the seventh admission for blood transfusion in July, 1982, the bone marrow was normocellular with 75% myeloblasts. But his peripheral blood was not changed. Inspite of chemotherapy-vindesin, cyclophosphamide, plednisolone-, he was dead of sepsis of Candida in November.
These two cases were very similar in aspects of age, sex, chief complaints, bone marrow findings, peripheral blood counts, and clinical course.
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