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1992•Internal MedicineOpen access

Aplastic Anemia in a Male with Loss of the Y Chromosome.

Tetsuya Matsuguchi, Hiroshi Gotô, Teruo Fukumoto, Seiichi Okamura, Yoshiyuki Niho

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Abstract

We carried out chromosomal analysis of a 33-year-old male who was diagnosed as having aplastic anemia. The patient showed severe pancytopenia, a normal NAP score, hypoplastic marrow and no myelodysplastic changes. 45,XO was found in all bone marrow cells examined, and in 10% of peripheral blood cells examined. To our knowledge, this is the first reported case of male aplastic anemia to show loss of the Y chromosome in all bone marrow cells examined, and this case may suggest a possible mechanism of juvenile onset of aplastic anemia.

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What this paper is about

We carried out chromosomal analysis of a 33-year-old male who was diagnosed as having aplastic anemia. The patient showed severe pancytopenia, a normal NAP score, hypoplastic marrow and no myelodysplastic changes. 45,XO was found in all bone marrow cells examined, and in 10% of peripheral blood cells examined. To our knowledge, this is the first reported case of male aplastic anemia to show loss of the Y chromosome in all bone marrow cells examined, and this case may suggest a possible mechanism of juvenile onset of aplastic anemia.

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Available abstract

We carried out chromosomal analysis of a 33-year-old male who was diagnosed as having aplastic anemia. The patient showed severe pancytopenia, a normal NAP score, hypoplastic marrow and no myelodysplastic changes. 45,XO was found in all bone marrow cells examined, and in 10% of peripheral blood cells examined. To our knowledge, this is the first reported case of male aplastic anemia to show loss of the Y chromosome in all bone marrow cells examined, and this case may suggest a possible mechanism of juvenile onset of aplastic anemia.

Key concepts: Pancytopenia, Medicine, Aplastic anemia, Bone marrow, Anemia, Internal medicine, Gastroenterology, Pathology

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