Legislative forum: healthcare reform and the policy process--a clarion call to action.
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Biomedical subjects
Publications and source records attributed to B Gibbons.
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Patients with a 47, XXY karyotype (Klinefelter syndrome) appear to have an increased risk of developing a malignancy in adulthood, usually cancer of the breast, extragonadal germ cell tumor, and acute nonlymphoblastic leukemia. There is growing evidence to show that these patients also have an increased risk of developing a malignancy in childhood. There are reports describing the development of acute lymphoblastic leukemia, retinoblastoma, and rhabdomyosarcoma in children with a 47, XXY or mosaic 47, XXY/46, XY karyotype. We report a child with a bone metastasizing, B-cell lineage, non-Hodgkin's lymphoma (NHL) who was found to have a 47, XXY karyotype in both the tumor and constitutional cells.
The triad of diabetes insipidus (DI), monosomy 7, and acute myeloid leukemia in a 7-year-old boy is described. This triad has been described in adults but not in children. The DI ran a transient, self-limiting course and required no specific therapy. The pathogenesis of DI remains unknown, and its transient nature may result in this component of the triad going unnoticed.
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