A 17-year-old woman was admitted for bone marrow transplantation with the diagnosis of atypical Philadelphia-negative chronic myelogenous leukemia (aCML), cytogenetically characterized by trisomy 8 as the sole chromosome aberration. A striking feature was a congenital opacity of the right cornea. Chromosomal analysis of skin fibroblasts were performed and revealed a mosaic for trisomy 8. Commonly, a distinct clinical picture leads to the diagnosis of trisomy 8 mosaicism syndrome (T8ms), but an extreme phenotypic variability has been observed. To our knowledge the development of an aCML in a patient with T8ms has not been reported. A review of the literature revealed that an association to other hematological disorders had been described in two cases. The question of whether our patient's aCML was a random event or not is discussed. The patient is now 24 months post transplant and shows no evidence of disease. Her Karnofsky score is 100%. We conclude that it might be worthwhile to look for an associated constitutional trisomy 8 mosaicism in all patients with trisomy 8 leukemia.
Ten diabetic children supplemented their normal diets with 0.45 g/kg/day guar gum for 4 weeks. They experienced a decrease in (1) plasma fibrinogen, (2) insulin requirement, (3) serum osmolality and (4) plasma viscosity; and an increase in serum albumin and total serum protein concentrations. The decrease in plasma viscosity, which was statistically significant, depended on the increase of albumin and the decrease of fibrinogen and may have some significance to the development of diabetic microangiopathy. The sequence of events eventually leading to a decrease of plasma viscosity is possibly mediated by gip and glucagon, consecutively.
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